15489273349 has 8 divisors (see below), whose sum is σ = 17442466560. Its totient is φ = 13626926400.

The previous prime is 15489273343. The next prime is 15489273383. The reversal of 15489273349 is 94337298451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15489273349 - 2⁷ = 15489273221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15489273349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15489273343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22711204 + ... + 22711885.

It is an arithmetic number, because the mean of its divisors is an integer number (2180308320).

Almost surely, 2^15489273349 is an apocalyptic number.

It is an amenable number.

15489273349 is a deficient number, since it is larger than the sum of its proper divisors (1953193211).

15489273349 is a wasteful number, since it uses less digits than its factorization.

15489273349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45423131.

The product of its digits is 6531840, while the sum is 55.

The spelling of 15489273349 in words is "fifteen billion, four hundred eighty-nine million, two hundred seventy-three thousand, three hundred forty-nine".