65264426515 has 4 divisors (see below), whose sum is σ = 78317311824. Its totient is φ = 52211541208.

The previous prime is 65264426501. The next prime is 65264426567. The reversal of 65264426515 is 51562446256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65264426515 - 2²⁹ = 64727555603 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6526442647 + ... + 6526442656.

It is an arithmetic number, because the mean of its divisors is an integer number (19579327956).

Almost surely, 2^65264426515 is an apocalyptic number.

65264426515 is a deficient number, since it is larger than the sum of its proper divisors (13052885309).

65264426515 is a wasteful number, since it uses less digits than its factorization.

65264426515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052885308.

The product of its digits is 1728000, while the sum is 46.

The spelling of 65264426515 in words is "sixty-five billion, two hundred sixty-four million, four hundred twenty-six thousand, five hundred fifteen".