64952245915 has 8 divisors (see below), whose sum is σ = 79040479968. Its totient is φ = 51229940160.

The previous prime is 64952245903. The next prime is 64952245957. The reversal of 64952245915 is 51954225946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-64952245915 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91481682 + ... + 91482391.

It is an arithmetic number, because the mean of its divisors is an integer number (9880059996).

Almost surely, 2^64952245915 is an apocalyptic number.

64952245915 is a deficient number, since it is larger than the sum of its proper divisors (14088234053).

64952245915 is a wasteful number, since it uses less digits than its factorization.

64952245915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182964149.

The product of its digits is 3888000, while the sum is 52.

The spelling of 64952245915 in words is "sixty-four billion, nine hundred fifty-two million, two hundred forty-five thousand, nine hundred fifteen".