7914388490 has 16 divisors (see below), whose sum is σ = 14246978760. Its totient is φ = 3165515520.

The previous prime is 7914388477. The next prime is 7914388501. The reversal of 7914388490 is 948834197.

It can be written as a sum of positive squares in 4 ways, for example, as 7584493921 + 329894569 = 87089^2 + 18163^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175910 + ... + 216270.

Almost surely, 2^7914388490 is an apocalyptic number.

7914388490 is a deficient number, since it is larger than the sum of its proper divisors (6332590270).

7914388490 is a wasteful number, since it uses less digits than its factorization.

7914388490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59977.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 7914388490 is about 88962.8489314500. The cubic root of 7914388490 is about 1992.8401060464.

The spelling of 7914388490 in words is "seven billion, nine hundred fourteen million, three hundred eighty-eight thousand, four hundred ninety".