3638472830 has 16 divisors (see below), whose sum is σ = 6893948880. Its totient is φ = 1378789632.

The previous prime is 3638472823. The next prime is 3638472841. The reversal of 3638472830 is 382748363.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9574739 + ... + 9575118.

It is an arithmetic number, because the mean of its divisors is an integer number (430871805).

Almost surely, 2^3638472830 is an apocalyptic number.

3638472830 is a deficient number, since it is larger than the sum of its proper divisors (3255476050).

3638472830 is a wasteful number, since it uses less digits than its factorization.

3638472830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19149883.

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 3638472830 is about 60319.7548900856. The cubic root of 3638472830 is about 1538.0591773104.

The spelling of 3638472830 in words is "three billion, six hundred thirty-eight million, four hundred seventy-two thousand, eight hundred thirty".