15982313245 has 16 divisors (see below), whose sum is σ = 19221314112. Its totient is φ = 12757530240.

The previous prime is 15982313183. The next prime is 15982313257. The reversal of 15982313245 is 54231328951.

It is a happy number.

It is not a de Polignac number, because 15982313245 - 2⁹ = 15982312733 is a prime.

It is a super-2 number, since 2×15982313245² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6546225 + ... + 6548665.

It is an arithmetic number, because the mean of its divisors is an integer number (1201332132).

Almost surely, 2^15982313245 is an apocalyptic number.

It is an amenable number.

15982313245 is a deficient number, since it is larger than the sum of its proper divisors (3239000867).

15982313245 is a wasteful number, since it uses less digits than its factorization.

15982313245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812.

The product of its digits is 259200, while the sum is 43.

The spelling of 15982313245 in words is "fifteen billion, nine hundred eighty-two million, three hundred thirteen thousand, two hundred forty-five".