64906774262 has 48 divisors (see below), whose sum is σ = 110322127440. Its totient is φ = 28605265920.

The previous prime is 64906774193. The next prime is 64906774319. The reversal of 64906774262 is 26247760946.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 1011158 + ... + 1073430.

It is an arithmetic number, because the mean of its divisors is an integer number (2298377655).

Almost surely, 2^64906774262 is an apocalyptic number.

64906774262 is a deficient number, since it is larger than the sum of its proper divisors (45415353178).

64906774262 is a wasteful number, since it uses less digits than its factorization.

64906774262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62429 (or 62418 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 64906774262 in words is "sixty-four billion, nine hundred six million, seven hundred seventy-four thousand, two hundred sixty-two".