15199488490 has 16 divisors (see below), whose sum is σ = 27360665352. Its totient is φ = 6079442944.

The previous prime is 15199488419. The next prime is 15199488509. The reversal of 15199488490 is 9488499151.

It can be written as a sum of positive squares in 4 ways, for example, as 12411965281 + 2787523209 = 111409^2 + 52797^2 .

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, 203082 + ... + 267658.

Almost surely, 2^15199488490 is an apocalyptic number.

15199488490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15199488490 is a deficient number, since it is larger than the sum of its proper divisors (12161176862).

15199488490 is a wasteful number, since it uses less digits than its factorization.

15199488490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88121.

The product of its (nonzero) digits is 3732480, while the sum is 58.

The spelling of 15199488490 in words is "fifteen billion, one hundred ninety-nine million, four hundred eighty-eight thousand, four hundred ninety".