2638153730 has 32 divisors (see below), whose sum is σ = 4834961280. Its totient is φ = 1036130560.

The previous prime is 2638153703. The next prime is 2638153741. The reversal of 2638153730 is 373518362.

It is a super-2 number, since 2×2638153730² = 13919710206225825800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606122 + ... + 610458.

It is an arithmetic number, because the mean of its divisors is an integer number (151092540).

Almost surely, 2^2638153730 is an apocalyptic number.

2638153730 is a deficient number, since it is larger than the sum of its proper divisors (2196807550).

2638153730 is a wasteful number, since it uses less digits than its factorization.

2638153730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2638153730 is about 51362.9606817987. The cubic root of 2638153730 is about 1381.7623863444.

The spelling of 2638153730 in words is "two billion, six hundred thirty-eight million, one hundred fifty-three thousand, seven hundred thirty".