39401399671 has 8 divisors (see below), whose sum is σ = 39631648784. Its totient is φ = 39171288960.

The previous prime is 39401399657. The next prime is 39401399711. The reversal of 39401399671 is 17699310493.

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

It is a cyclic number.

It is not a de Polignac number, because 39401399671 - 2¹⁵ = 39401366903 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 (39401399071) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 566800 + ... + 632506.

It is an arithmetic number, because the mean of its divisors is an integer number (4953956098).

Almost surely, 2^39401399671 is an apocalyptic number.

39401399671 is a deficient number, since it is larger than the sum of its proper divisors (230249113).

39401399671 is a wasteful number, since it uses less digits than its factorization.

39401399671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69201.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 39401399671 in words is "thirty-nine billion, four hundred one million, three hundred ninety-nine thousand, six hundred seventy-one".