15218939482 has 16 divisors (see below), whose sum is σ = 23261546880. Its totient is φ = 7466446512.

The previous prime is 15218939459. The next prime is 15218939503. The reversal of 15218939482 is 28493981251.

It is a super-2 number, since 2×15218939482² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316438 + ... + 361345.

It is an arithmetic number, because the mean of its divisors is an integer number (1453846680).

Almost surely, 2^15218939482 is an apocalyptic number.

15218939482 is a deficient number, since it is larger than the sum of its proper divisors (8042607398).

15218939482 is a wasteful number, since it uses less digits than its factorization.

15218939482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677997.

The product of its digits is 1244160, while the sum is 52.

The spelling of 15218939482 in words is "fifteen billion, two hundred eighteen million, nine hundred thirty-nine thousand, four hundred eighty-two".