14639297772 has 72 divisors (see below), whose sum is σ = 38757246976. Its totient is φ = 4293036000.

The previous prime is 14639297719. The next prime is 14639297773. The reversal of 14639297772 is 27779293641.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14639297773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117604 + ... + 207627.

Almost surely, 2^14639297772 is an apocalyptic number.

14639297772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14639297772 is an abundant number, since it is smaller than the sum of its proper divisors (24117949204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14639297772 is a wasteful number, since it uses less digits than its factorization.

14639297772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325291 (or 325278 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 57.

The spelling of 14639297772 in words is "fourteen billion, six hundred thirty-nine million, two hundred ninety-seven thousand, seven hundred seventy-two".