399704029061 has 8 divisors (see below), whose sum is σ = 403731291840. Its totient is φ = 395685364032.

The previous prime is 399704029033. The next prime is 399704029079. The reversal of 399704029061 is 160920407993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-399704029061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399704029031) 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, 2055971 + ... + 2241968.

It is an arithmetic number, because the mean of its divisors is an integer number (50466411480).

Almost surely, 2^399704029061 is an apocalyptic number.

It is an amenable number.

399704029061 is a deficient number, since it is larger than the sum of its proper divisors (4027262779).

399704029061 is a wasteful number, since it uses less digits than its factorization.

399704029061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298875.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 399704029061 in words is "three hundred ninety-nine billion, seven hundred four million, twenty-nine thousand, sixty-one".