18952954719 has 8 divisors (see below), whose sum is σ = 25494240432. Its totient is φ = 12523486080.

The previous prime is 18952954711. The next prime is 18952954721. The reversal of 18952954719 is 91745925981.

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

It is not a de Polignac number, because 18952954719 - 2³ = 18952954711 is a prime.

It is a super-2 number, since 2×18952954719² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18952954711) 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, 27953872 + ... + 27954549.

It is an arithmetic number, because the mean of its divisors is an integer number (3186780054).

Almost surely, 2^18952954719 is an apocalyptic number.

18952954719 is a deficient number, since it is larger than the sum of its proper divisors (6541285713).

18952954719 is a wasteful number, since it uses less digits than its factorization.

18952954719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55908537.

The product of its digits is 8164800, while the sum is 60.

The spelling of 18952954719 in words is "eighteen billion, nine hundred fifty-two million, nine hundred fifty-four thousand, seven hundred nineteen".