5213781830 has 32 divisors (see below), whose sum is σ = 9905794560. Its totient is φ = 1970339040.

The previous prime is 5213781821. The next prime is 5213781857. The reversal of 5213781830 is 381873125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 32345 + ... + 107115.

It is an arithmetic number, because the mean of its divisors is an integer number (309556080).

Almost surely, 2^5213781830 is an apocalyptic number.

5213781830 is a deficient number, since it is larger than the sum of its proper divisors (4692012730).

5213781830 is a wasteful number, since it uses less digits than its factorization.

5213781830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75164.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 5213781830 is about 72206.5220738404. The cubic root of 5213781830 is about 1734.0074194817.

The spelling of 5213781830 in words is "five billion, two hundred thirteen million, seven hundred eighty-one thousand, eight hundred thirty".