15218939483 has 8 divisors (see below), whose sum is σ = 17324326656. Its totient is φ = 13233860200.

The previous prime is 15218939459. The next prime is 15218939503. The reversal of 15218939483 is 38493981251.

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

It is not a de Polignac number, because 15218939483 - 2¹⁶ = 15218873947 is a prime.

It is a super-2 number, since 2×15218939483² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15218939423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30076703 + ... + 30077208.

It is an arithmetic number, because the mean of its divisors is an integer number (2165540832).

Almost surely, 2^15218939483 is an apocalyptic number.

15218939483 is a deficient number, since it is larger than the sum of its proper divisors (2105387173).

15218939483 is a wasteful number, since it uses less digits than its factorization.

15218939483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60153945.

The product of its digits is 1866240, while the sum is 53.

The spelling of 15218939483 in words is "fifteen billion, two hundred eighteen million, nine hundred thirty-nine thousand, four hundred eighty-three".