14472621639 has 24 divisors (see below), whose sum is σ = 23904235680. Its totient is φ = 8265595968.

The previous prime is 14472621601. The next prime is 14472621641. The reversal of 14472621639 is 93612627441.

14472621639 is a `hidden beast` number, since 1 + 4 + 4 + 7 + 2 + 6 + 2 + 1 + 639 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-14472621639 is a prime.

It is a super-3 number, since 3×14472621639³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14472621594 and 14472621603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14472621659) 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 23 ways as a sum of consecutive naturals, for example, 57057 + ... + 179445.

It is an arithmetic number, because the mean of its divisors is an integer number (996009820).

Almost surely, 2^14472621639 is an apocalyptic number.

14472621639 is a deficient number, since it is larger than the sum of its proper divisors (9431614041).

14472621639 is a wasteful number, since it uses less digits than its factorization.

14472621639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124279 (or 124276 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 14472621639 in words is "fourteen billion, four hundred seventy-two million, six hundred twenty-one thousand, six hundred thirty-nine".