4764621690 has 40 divisors (see below), whose sum is σ = 12811540500. Its totient is φ = 1270565568.

The previous prime is 4764621679. The next prime is 4764621707. The reversal of 4764621690 is 961264674.

It can be written as a sum of positive squares in 2 ways, for example, as 4761414009 + 3207681 = 69003^2 + 1791^2 .

It is a super-2 number, since 2×4764621690² = 45403239697636912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2940315 + ... + 2941934.

Almost surely, 2^4764621690 is an apocalyptic number.

4764621690 is an abundant number, since it is smaller than the sum of its proper divisors (8046918810).

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

4764621690 is a wasteful number, since it uses less digits than its factorization.

4764621690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882268 (or 5882259 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 4764621690 is about 69026.2391413584. The cubic root of 4764621690 is about 1682.7107703574.

The spelling of 4764621690 in words is "four billion, seven hundred sixty-four million, six hundred twenty-one thousand, six hundred ninety".