64670272625183 has 2 divisors, whose sum is σ = 64670272625184. Its totient is φ = 64670272625182.

The previous prime is 64670272625159. The next prime is 64670272625327. The reversal of 64670272625183 is 38152627207646.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64670272625183 is a prime.

It is a super-2 number, since 2×64670272625183² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64670172625183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32335136312591 + 32335136312592.

It is an arithmetic number, because the mean of its divisors is an integer number (32335136312592).

Almost surely, 2^{64670272625183} is an apocalyptic number.

64670272625183 is a deficient number, since it is larger than the sum of its proper divisors (1).

64670272625183 is an equidigital number, since it uses as much as digits as its factorization.

64670272625183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 64670272625183 in words is "sixty-four trillion, six hundred seventy billion, two hundred seventy-two million, six hundred twenty-five thousand, one hundred eighty-three".