7713646644 has 24 divisors (see below), whose sum is σ = 19634737248. Its totient is φ = 2337468640.

The previous prime is 7713646631. The next prime is 7713646649. The reversal of 7713646644 is 4466463177.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7713646593 and 7713646602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7713646649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29218227 + ... + 29218490.

It is an arithmetic number, because the mean of its divisors is an integer number (818114052).

Almost surely, 2^7713646644 is an apocalyptic number.

It is an amenable number.

7713646644 is an abundant number, since it is smaller than the sum of its proper divisors (11921090604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7713646644 is a wasteful number, since it uses less digits than its factorization.

7713646644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58436735 (or 58436733 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 48.

The square root of 7713646644 is about 87827.3684223773. The cubic root of 7713646644 is about 1975.8467036879.

The spelling of 7713646644 in words is "seven billion, seven hundred thirteen million, six hundred forty-six thousand, six hundred forty-four".