399070611712 has 18 divisors (see below), whose sum is σ = 796582354358. Its totient is φ = 199535305728.

The previous prime is 399070611691. The next prime is 399070611727. The reversal of 399070611712 is 217116070993.

It can be written as a sum of positive squares in only one way, i.e., 283807645696 + 115262966016 = 532736^2 + 339504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779434533 + ... + 779435044.

Almost surely, 2^399070611712 is an apocalyptic number.

399070611712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

399070611712 is a deficient number, since it is larger than the sum of its proper divisors (397511742646).

399070611712 is an equidigital number, since it uses as much as digits as its factorization.

399070611712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558869593 (or 1558869579 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 46.

The spelling of 399070611712 in words is "three hundred ninety-nine billion, seventy million, six hundred eleven thousand, seven hundred twelve".