399363909119 has 8 divisors (see below), whose sum is σ = 456505098240. Its totient is φ = 342245020536.

The previous prime is 399363909079. The next prime is 399363909121. The reversal of 399363909119 is 911909363993.

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 399363909119 - 2²⁰ = 399362860543 is a prime.

It is a super-5 number, since 5×399363909119⁵ (a number of 59 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399363909199) 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, 5536739 + ... + 5608404.

It is an arithmetic number, because the mean of its divisors is an integer number (57063137280).

Almost surely, 2^399363909119 is an apocalyptic number.

399363909119 is a deficient number, since it is larger than the sum of its proper divisors (57141189121).

399363909119 is a wasteful number, since it uses less digits than its factorization.

399363909119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11150269.

The product of its (nonzero) digits is 9565938, while the sum is 62.

The spelling of 399363909119 in words is "three hundred ninety-nine billion, three hundred sixty-three million, nine hundred nine thousand, one hundred nineteen".