3972359735971 has 8 divisors (see below), whose sum is σ = 4588394133744. Its totient is φ = 3398810469120.

The previous prime is 3972359735957. The next prime is 3972359735977. The reversal of 3972359735971 is 1795379532793.

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

It is not a de Polignac number, because 3972359735971 - 2²¹ = 3972357638819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3972359735971.

It is not an unprimeable number, because it can be changed into a prime (3972359735977) 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, 10621282530 + ... + 10621282903.

It is an arithmetic number, because the mean of its divisors is an integer number (573549266718).

Almost surely, 2^{3972359735971} is an apocalyptic number.

3972359735971 is a deficient number, since it is larger than the sum of its proper divisors (616034397773).

3972359735971 is a wasteful number, since it uses less digits than its factorization.

3972359735971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21242565461.

The product of its digits is 337563450, while the sum is 70.

The spelling of 3972359735971 in words is "three trillion, nine hundred seventy-two billion, three hundred fifty-nine million, seven hundred thirty-five thousand, nine hundred seventy-one".