15244100089 has 9 divisors (see below), whose sum is σ = 15331893231. Its totient is φ = 15156808920.

The previous prime is 15244100063. The next prime is 15244100099. The reversal of 15244100089 is 98000144251.

It is a happy number.

The square root of 15244100089 is 123467.

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

It can be written as a sum of positive squares in only one way, i.e., 10216155625 + 5027944464 = 101075^2 + 70908^2 .

It is not a de Polignac number, because 15244100089 - 2²³ = 15235711481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15244100029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38398039 + ... + 38398435.

Almost surely, 2^15244100089 is an apocalyptic number.

15244100089 is the 123467-th square number.

15244100089 is the 61734-th centered octagonal number.

It is an amenable number.

15244100089 is a deficient number, since it is larger than the sum of its proper divisors (87793142).

15244100089 is an frugal number, since it uses more digits than its factorization.

15244100089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 15244100089 in words is "fifteen billion, two hundred forty-four million, one hundred thousand, eighty-nine".