39970973841 has 8 divisors (see below), whose sum is σ = 54594501024. Its totient is φ = 25997381280.

The previous prime is 39970973837. The next prime is 39970973863. The reversal of 39970973841 is 14837907993.

It is a happy number.

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

It is not a de Polignac number, because 39970973841 - 2² = 39970973837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39970973831) 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, 162483511 + ... + 162483756.

It is an arithmetic number, because the mean of its divisors is an integer number (6824312628).

Almost surely, 2^39970973841 is an apocalyptic number.

It is an amenable number.

39970973841 is a deficient number, since it is larger than the sum of its proper divisors (14623527183).

39970973841 is a wasteful number, since it uses less digits than its factorization.

39970973841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324967311.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 39970973841 in words is "thirty-nine billion, nine hundred seventy million, nine hundred seventy-three thousand, eight hundred forty-one".