7649615636 has 12 divisors (see below), whose sum is σ = 14416583412. Its totient is φ = 3530591808.

The previous prime is 7649615629. The next prime is 7649615641. The reversal of 7649615636 is 6365169467.

It can be written as a sum of positive squares in 2 ways, for example, as 4563813136 + 3085802500 = 67556^2 + 55550^2 .

It is a congruent 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, 73553945 + ... + 73554048.

It is an arithmetic number, because the mean of its divisors is an integer number (1201381951).

Almost surely, 2^7649615636 is an apocalyptic number.

It is an amenable number.

7649615636 is a deficient number, since it is larger than the sum of its proper divisors (6766967776).

7649615636 is a wasteful number, since it uses less digits than its factorization.

7649615636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147108010 (or 147108008 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 53.

The square root of 7649615636 is about 87462.0811323399. The cubic root of 7649615636 is about 1970.3643357172.

The spelling of 7649615636 in words is "seven billion, six hundred forty-nine million, six hundred fifteen thousand, six hundred thirty-six".