5164638628 has 12 divisors (see below), whose sum is σ = 9048719260. Its totient is φ = 2579290272.

The previous prime is 5164638613. The next prime is 5164638649. The reversal of 5164638628 is 8268364615.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1251885924 + 3912752704 = 35382^2 + 62552^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 753423 + ... + 760246.

Almost surely, 2^5164638628 is an apocalyptic number.

It is an amenable number.

5164638628 is a deficient number, since it is larger than the sum of its proper divisors (3884080632).

5164638628 is a wasteful number, since it uses less digits than its factorization.

5164638628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514526 (or 1514524 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 5164638628 is about 71865.4202520239. The cubic root of 5164638628 is about 1728.5421721394.

The spelling of 5164638628 in words is "five billion, one hundred sixty-four million, six hundred thirty-eight thousand, six hundred twenty-eight".