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64385574007 is a prime number
BaseRepresentation
bin111011111101101011…
…011110010001110111
320011012010211001022011
4323331223132101313
52023330201332012
645324530145051
74436351230516
oct737553362167
9204163731264
1064385574007
112533aa83797
121058a722187
1360c120bbb1
14318b0d467d
151a1c78c1a7
hexefdade477

64385574007 has 2 divisors, whose sum is σ = 64385574008. Its totient is φ = 64385574006.

The previous prime is 64385573933. The next prime is 64385574017. The reversal of 64385574007 is 70047558346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64385574007 - 219 = 64385049719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64385574017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32192787003 + 32192787004.

It is an arithmetic number, because the mean of its divisors is an integer number (32192787004).

Almost surely, 264385574007 is an apocalyptic number.

64385574007 is a deficient number, since it is larger than the sum of its proper divisors (1).

64385574007 is an equidigital number, since it uses as much as digits as its factorization.

64385574007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 64385574007 in words is "sixty-four billion, three hundred eighty-five million, five hundred seventy-four thousand, seven".