15672213489 has 4 divisors (see below), whose sum is σ = 20896284656. Its totient is φ = 10448142324.

The previous prime is 15672213457. The next prime is 15672213499. The reversal of 15672213489 is 98431227651.

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 not a de Polignac number, because 15672213489 - 2⁵ = 15672213457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15672213439) 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, 2612035579 + ... + 2612035584.

It is an arithmetic number, because the mean of its divisors is an integer number (5224071164).

Almost surely, 2^15672213489 is an apocalyptic number.

It is an amenable number.

15672213489 is a deficient number, since it is larger than the sum of its proper divisors (5224071167).

15672213489 is an equidigital number, since it uses as much as digits as its factorization.

15672213489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224071166.

The product of its digits is 725760, while the sum is 48.

The spelling of 15672213489 in words is "fifteen billion, six hundred seventy-two million, two hundred thirteen thousand, four hundred eighty-nine".