15047192889 has 27 divisors (see below), whose sum is σ = 22475614629. Its totient is φ = 9700506360.

The previous prime is 15047192837. The next prime is 15047192911. The reversal of 15047192889 is 98829174051.

It is a happy number.

The square root of 15047192889 is 122667.

It is a perfect power (a square), and thus also a powerful number.

15047192889 is a `hidden beast` number, since 1 + 5 + 0 + 471 + 92 + 8 + 89 = 666.

It is not a de Polignac number, because 15047192889 - 2⁷ = 15047192761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15047192989) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11407372 + ... + 11408690.

Almost surely, 2^15047192889 is an apocalyptic number.

15047192889 is the 122667-th square number.

15047192889 is the 61334-th centered octagonal number.

It is an amenable number.

15047192889 is a deficient number, since it is larger than the sum of its proper divisors (7428421740).

15047192889 is an frugal number, since it uses more digits than its factorization.

15047192889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

It can be divided in two parts, 15047 and 192889, that added together give a square (207936 = 456²).

The spelling of 15047192889 in words is "fifteen billion, forty-seven million, one hundred ninety-two thousand, eight hundred eighty-nine".