399765348153 has 48 divisors (see below), whose sum is σ = 609317304960. Its totient is φ = 252283051008.

The previous prime is 399765348061. The next prime is 399765348167. The reversal of 399765348153 is 351843567993.

399765348153 is a `hidden beast` number, since 3 + 9 + 97 + 6 + 534 + 8 + 1 + 5 + 3 = 666.

It is not a de Polignac number, because 399765348153 - 2¹² = 399765344057 is a prime.

It is a super-2 number, since 2×399765348153² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (399765348173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1800876 + ... + 2010642.

It is an arithmetic number, because the mean of its divisors is an integer number (12694110520).

Almost surely, 2^399765348153 is an apocalyptic number.

It is an amenable number.

399765348153 is a deficient number, since it is larger than the sum of its proper divisors (209551956807).

399765348153 is a wasteful number, since it uses less digits than its factorization.

399765348153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209966 (or 209963 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 63.

The spelling of 399765348153 in words is "three hundred ninety-nine billion, seven hundred sixty-five million, three hundred forty-eight thousand, one hundred fifty-three".