7649549380 has 48 divisors (see below), whose sum is σ = 17530914240. Its totient is φ = 2780624000.

The previous prime is 7649549353. The next prime is 7649549407. The reversal of 7649549380 is 839459467.

It is an interprime number because it is at equal distance from previous prime (7649549353) and next prime (7649549407).

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842706 + ... + 851734.

It is an arithmetic number, because the mean of its divisors is an integer number (365227380).

Almost surely, 2^7649549380 is an apocalyptic number.

It is an amenable number.

7649549380 is an abundant number, since it is smaller than the sum of its proper divisors (9881364860).

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

7649549380 is a wasteful number, since it uses less digits than its factorization.

7649549380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900 (or 12898 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 7649549380 is about 87461.7023616623. The cubic root of 7649549380 is about 1970.3586470290.

The spelling of 7649549380 in words is "seven billion, six hundred forty-nine million, five hundred forty-nine thousand, three hundred eighty".