1371659450401 has 2 divisors, whose sum is σ = 1371659450402. Its totient is φ = 1371659450400.

The previous prime is 1371659450389. The next prime is 1371659450467. The reversal of 1371659450401 is 1040549561731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1329233749776 + 42425700625 = 1152924^2 + 205975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371659450401 - 2³³ = 1363069515809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1371659450101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685829725200 + 685829725201.

It is an arithmetic number, because the mean of its divisors is an integer number (685829725201).

Almost surely, 2^{1371659450401} is an apocalyptic number.

It is an amenable number.

1371659450401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371659450401 is an equidigital number, since it uses as much as digits as its factorization.

1371659450401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 1371659450401 in words is "one trillion, three hundred seventy-one billion, six hundred fifty-nine million, four hundred fifty thousand, four hundred one".