399730366011 has 4 divisors (see below), whose sum is σ = 532973821352. Its totient is φ = 266486910672.

The previous prime is 399730366001. The next prime is 399730366037. The reversal of 399730366011 is 110663037993.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 399730366011 - 2⁷ = 399730365883 is a prime.

It is a super-2 number, since 2×399730366011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399730366001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66621727666 + ... + 66621727671.

It is an arithmetic number, because the mean of its divisors is an integer number (133243455338).

Almost surely, 2^399730366011 is an apocalyptic number.

399730366011 is a deficient number, since it is larger than the sum of its proper divisors (133243455341).

399730366011 is a wasteful number, since it uses less digits than its factorization.

399730366011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133243455340.

The product of its (nonzero) digits is 551124, while the sum is 48.

The spelling of 399730366011 in words is "three hundred ninety-nine billion, seven hundred thirty million, three hundred sixty-six thousand, eleven".