39461979967 has 4 divisors (see below), whose sum is σ = 39467900320. Its totient is φ = 39456059616.

The previous prime is 39461979919. The next prime is 39461980013. The reversal of 39461979967 is 76997916493.

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

It is a cyclic number.

It is not a de Polignac number, because 39461979967 - 2⁷ = 39461979839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39461979896 and 39461979905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39461977967) 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 3 ways as a sum of consecutive naturals, for example, 2950167 + ... + 2963512.

It is an arithmetic number, because the mean of its divisors is an integer number (9866975080).

Almost surely, 2^39461979967 is an apocalyptic number.

39461979967 is a deficient number, since it is larger than the sum of its proper divisors (5920353).

39461979967 is an equidigital number, since it uses as much as digits as its factorization.

39461979967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920352.

The product of its digits is 138883248, while the sum is 70.

The spelling of 39461979967 in words is "thirty-nine billion, four hundred sixty-one million, nine hundred seventy-nine thousand, nine hundred sixty-seven".