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64473686290001 is a prime number
BaseRepresentation
bin11101010100011011100110…
…01010110010111001010001
322110021121212001101222000002
432222031303022302321101
531422314102142240001
6345042445205335345
716403033023115432
oct1652156312627121
9273247761358002
1064473686290001
11195a81560a33aa
127293523107555
1329c8ac5063091
1411cc786263489
1576c1964c146b
hex3aa3732b2e51

64473686290001 has 2 divisors, whose sum is σ = 64473686290002. Its totient is φ = 64473686290000.

The previous prime is 64473686289983. The next prime is 64473686290009. The reversal of 64473686290001 is 10009268637446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64311177330625 + 162508959376 = 8019425^2 + 403124^2 .

It is a cyclic number.

It is not a de Polignac number, because 64473686290001 - 226 = 64473619181137 is a prime.

It is a super-2 number, since 2×644736862900012 (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (64473686290009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32236843145000 + 32236843145001.

It is an arithmetic number, because the mean of its divisors is an integer number (32236843145001).

Almost surely, 264473686290001 is an apocalyptic number.

It is an amenable number.

64473686290001 is a deficient number, since it is larger than the sum of its proper divisors (1).

64473686290001 is an equidigital number, since it uses as much as digits as its factorization.

64473686290001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 64473686290001 in words is "sixty-four trillion, four hundred seventy-three billion, six hundred eighty-six million, two hundred ninety thousand, one".