64157101747 has 2 divisors, whose sum is σ = 64157101748. Its totient is φ = 64157101746.

The previous prime is 64157101739. The next prime is 64157101763. The reversal of 64157101747 is 74710175146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64157101747 - 2³ = 64157101739 is a prime.

It is a super-2 number, since 2×64157101747² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64157101847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32078550873 + 32078550874.

It is an arithmetic number, because the mean of its divisors is an integer number (32078550874).

Almost surely, 2^64157101747 is an apocalyptic number.

64157101747 is a deficient number, since it is larger than the sum of its proper divisors (1).

64157101747 is an equidigital number, since it uses as much as digits as its factorization.

64157101747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 64157101747 in words is "sixty-four billion, one hundred fifty-seven million, one hundred one thousand, seven hundred forty-seven".