15347898489 has 32 divisors (see below), whose sum is σ = 26856207360. Its totient is φ = 7553304000.

The previous prime is 15347898481. The next prime is 15347898547. The reversal of 15347898489 is 98489874351.

It is not a de Polignac number, because 15347898489 - 2³ = 15347898481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15347898481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1744062 + ... + 1752839.

It is an arithmetic number, because the mean of its divisors is an integer number (839256480).

Almost surely, 2^15347898489 is an apocalyptic number.

15347898489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

15347898489 is a deficient number, since it is larger than the sum of its proper divisors (11508308871).

15347898489 is a wasteful number, since it uses less digits than its factorization.

15347898489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496941.

The product of its digits is 69672960, while the sum is 66.

The spelling of 15347898489 in words is "fifteen billion, three hundred forty-seven million, eight hundred ninety-eight thousand, four hundred eighty-nine".