399459642363 has 24 divisors (see below), whose sum is σ = 598827932976. Its totient is φ = 266101524000.

The previous prime is 399459642359. The next prime is 399459642377. The reversal of 399459642363 is 363246954993.

399459642363 is a `hidden beast` number, since 3 + 9 + 9 + 4 + 596 + 4 + 2 + 36 + 3 = 666.

It is not a de Polignac number, because 399459642363 - 2² = 399459642359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 399459642363.

It is not an unprimeable number, because it can be changed into a prime (399459642563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315628 + ... + 947913.

It is an arithmetic number, because the mean of its divisors is an integer number (24951163874).

Almost surely, 2^399459642363 is an apocalyptic number.

399459642363 is a deficient number, since it is larger than the sum of its proper divisors (199368290613).

399459642363 is a wasteful number, since it uses less digits than its factorization.

399459642363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264857 (or 1264845 counting only the distinct ones).

The product of its digits is 113374080, while the sum is 63.

The spelling of 399459642363 in words is "three hundred ninety-nine billion, four hundred fifty-nine million, six hundred forty-two thousand, three hundred sixty-three".