7649644162 has 8 divisors (see below), whose sum is σ = 11603393100. Its totient is φ = 3781846464.

The previous prime is 7649644153. The next prime is 7649644193. The reversal of 7649644162 is 2614469467.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7407872761 + 241771401 = 86069^2 + 15549^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21487587 + ... + 21487942.

Almost surely, 2^7649644162 is an apocalyptic number.

7649644162 is a deficient number, since it is larger than the sum of its proper divisors (3953748938).

7649644162 is a wasteful number, since it uses less digits than its factorization.

7649644162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42975620.

The product of its digits is 1741824, while the sum is 49.

The square root of 7649644162 is about 87462.2442085726. The cubic root of 7649644162 is about 1970.3667849272.

The spelling of 7649644162 in words is "seven billion, six hundred forty-nine million, six hundred forty-four thousand, one hundred sixty-two".