64903310390 has 8 divisors (see below), whose sum is σ = 116825958720. Its totient is φ = 25961324152.

The previous prime is 64903310387. The next prime is 64903310441. The reversal of 64903310390 is 9301330946.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245165510 + ... + 3245165529.

It is an arithmetic number, because the mean of its divisors is an integer number (14603244840).

Almost surely, 2^64903310390 is an apocalyptic number.

64903310390 is a deficient number, since it is larger than the sum of its proper divisors (51922648330).

64903310390 is a wasteful number, since it uses less digits than its factorization.

64903310390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490331046.

The product of its (nonzero) digits is 52488, while the sum is 38.

The spelling of 64903310390 in words is "sixty-four billion, nine hundred three million, three hundred ten thousand, three hundred ninety".