15083708989 has 4 divisors (see below), whose sum is σ = 15099637824. Its totient is φ = 15067780156.

The previous prime is 15083708977. The next prime is 15083708993. The reversal of 15083708989 is 98980738051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15083708989 - 2⁵ = 15083708957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15083708929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7962997 + ... + 7964890.

It is an arithmetic number, because the mean of its divisors is an integer number (3774909456).

Almost surely, 2^15083708989 is an apocalyptic number.

It is an amenable number.

15083708989 is a deficient number, since it is larger than the sum of its proper divisors (15928835).

15083708989 is an equidigital number, since it uses as much as digits as its factorization.

15083708989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15928834.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 15083708989 in words is "fifteen billion, eighty-three million, seven hundred eight thousand, nine hundred eighty-nine".