399923114551 has 8 divisors (see below), whose sum is σ = 402815750400. Its totient is φ = 397030700280.

The previous prime is 399923114543. The next prime is 399923114621. The reversal of 399923114551 is 155411329993.

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 399923114551 - 2³ = 399923114543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399923114501) 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, 5771730 + ... + 5840608.

It is an arithmetic number, because the mean of its divisors is an integer number (50351968800).

Almost surely, 2^399923114551 is an apocalyptic number.

399923114551 is a deficient number, since it is larger than the sum of its proper divisors (2892635849).

399923114551 is a wasteful number, since it uses less digits than its factorization.

399923114551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110789.

The product of its digits is 1312200, while the sum is 52.

The spelling of 399923114551 in words is "three hundred ninety-nine billion, nine hundred twenty-three million, one hundred fourteen thousand, five hundred fifty-one".