19713419951 has 8 divisors (see below), whose sum is σ = 19750651200. Its totient is φ = 19676222080.

The previous prime is 19713419939. The next prime is 19713419953. The reversal of 19713419951 is 15991431791.

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

It is a cyclic number.

It is not a de Polignac number, because 19713419951 - 2¹⁰ = 19713418927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19713419951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19713419953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1385210 + ... + 1399368.

It is an arithmetic number, because the mean of its divisors is an integer number (2468831400).

Almost surely, 2^19713419951 is an apocalyptic number.

19713419951 is a deficient number, since it is larger than the sum of its proper divisors (37231249).

19713419951 is a wasteful number, since it uses less digits than its factorization.

19713419951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16689.

The product of its digits is 306180, while the sum is 50.

The spelling of 19713419951 in words is "nineteen billion, seven hundred thirteen million, four hundred nineteen thousand, nine hundred fifty-one".