64670272625201 has 24 divisors (see below), whose sum is σ = 68993692759080. Its totient is φ = 60524037007616.

The previous prime is 64670272625183. The next prime is 64670272625327. The reversal of 64670272625201 is 10252627207646.

It can be written as a sum of positive squares in 4 ways, for example, as 1111126810000 + 63559145815201 = 1054100^2 + 7972399^2 .

It is a de Polignac number, because none of the positive numbers 2^k-64670272625201 is a prime.

It is a super-2 number, since 2×64670272625201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64670272625201.

It is not an unprimeable number, because it can be changed into a prime (64670272622201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7534565 + ... + 13642221.

It is an arithmetic number, because the mean of its divisors is an integer number (2874737198295).

Almost surely, 2^{64670272625201} is an apocalyptic number.

It is an amenable number.

64670272625201 is a deficient number, since it is larger than the sum of its proper divisors (4323420133879).

64670272625201 is an equidigital number, since it uses as much as digits as its factorization.

64670272625201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107905 (or 6107822 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 64670272625201 in words is "sixty-four trillion, six hundred seventy billion, two hundred seventy-two million, six hundred twenty-five thousand, two hundred one".