64157031730007 has 2 divisors, whose sum is σ = 64157031730008. Its totient is φ = 64157031730006.

The previous prime is 64157031729977. The next prime is 64157031730037. The reversal of 64157031730007 is 70003713075146.

It is a balanced prime because it is at equal distance from previous prime (64157031729977) and next prime (64157031730037).

It is a cyclic number.

It is not a de Polignac number, because 64157031730007 - 2²⁰ = 64157030681431 is a prime.

It is a super-2 number, since 2×64157031730007² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64157031730007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64157031730037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32078515865003 + 32078515865004.

It is an arithmetic number, because the mean of its divisors is an integer number (32078515865004).

Almost surely, 2^{64157031730007} is an apocalyptic number.

64157031730007 is a deficient number, since it is larger than the sum of its proper divisors (1).

64157031730007 is an equidigital number, since it uses as much as digits as its factorization.

64157031730007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 64157031730007 in words is "sixty-four trillion, one hundred fifty-seven billion, thirty-one million, seven hundred thirty thousand, seven".