64305351506129 has 4 divisors (see below), whose sum is σ = 64305425206080. Its totient is φ = 64305277806180.

The previous prime is 64305351506111. The next prime is 64305351506131. The reversal of 64305351506129 is 92160515350346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64305351506129 - 2²⁸ = 64305083070673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64305351500129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35525309 + ... + 37291530.

It is an arithmetic number, because the mean of its divisors is an integer number (16076356301520).

Almost surely, 2^{64305351506129} is an apocalyptic number.

It is an amenable number.

64305351506129 is a deficient number, since it is larger than the sum of its proper divisors (73699951).

64305351506129 is an equidigital number, since it uses as much as digits as its factorization.

64305351506129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73699950.

The product of its (nonzero) digits is 2916000, while the sum is 50.

The spelling of 64305351506129 in words is "sixty-four trillion, three hundred five billion, three hundred fifty-one million, five hundred six thousand, one hundred twenty-nine".