14651399638 has 8 divisors (see below), whose sum is σ = 22571075232. Its totient is φ = 7127707896.

The previous prime is 14651399617. The next prime is 14651399647. The reversal of 14651399638 is 83699315641.

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

It is a super-2 number, since 2×14651399638² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 98995870 + ... + 98996017.

It is an arithmetic number, because the mean of its divisors is an integer number (2821384404).

Almost surely, 2^14651399638 is an apocalyptic number.

14651399638 is a deficient number, since it is larger than the sum of its proper divisors (7919675594).

14651399638 is a wasteful number, since it uses less digits than its factorization.

14651399638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197991926.

The product of its digits is 4199040, while the sum is 55.

The spelling of 14651399638 in words is "fourteen billion, six hundred fifty-one million, three hundred ninety-nine thousand, six hundred thirty-eight".