3952472991 has 8 divisors (see below), whose sum is σ = 5272735104. Its totient is φ = 2633596440.

The previous prime is 3952472983. The next prime is 3952473029. The reversal of 3952472991 is 1992742593.

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

It is not a de Polignac number, because 3952472991 - 2³ = 3952472983 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3952472921) 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, 339715 + ... + 351156.

It is an arithmetic number, because the mean of its divisors is an integer number (659091888).

Almost surely, 2^3952472991 is an apocalyptic number.

3952472991 is a deficient number, since it is larger than the sum of its proper divisors (1320262113).

3952472991 is a wasteful number, since it uses less digits than its factorization.

3952472991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692781.

The product of its digits is 1224720, while the sum is 51.

The square root of 3952472991 is about 62868.6964315310. The cubic root of 3952472991 is about 1581.0889506160.

The spelling of 3952472991 in words is "three billion, nine hundred fifty-two million, four hundred seventy-two thousand, nine hundred ninety-one".