4972371391 has 16 divisors (see below), whose sum is σ = 5489836128. Its totient is φ = 4474368000.

The previous prime is 4972371377. The next prime is 4972371401. The reversal of 4972371391 is 1931732794.

It is a cyclic number.

It is not a de Polignac number, because 4972371391 - 2⁵ = 4972371359 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 (4972371791) 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 15 ways as a sum of consecutive naturals, for example, 850420 + ... + 856246.

It is an arithmetic number, because the mean of its divisors is an integer number (343114758).

Almost surely, 2^4972371391 is an apocalyptic number.

4972371391 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4972371391 is a deficient number, since it is larger than the sum of its proper divisors (517464737).

4972371391 is a wasteful number, since it uses less digits than its factorization.

4972371391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482.

The product of its digits is 285768, while the sum is 46.

The square root of 4972371391 is about 70515.0437211805. The cubic root of 4972371391 is about 1706.8205103770.

The spelling of 4972371391 in words is "four billion, nine hundred seventy-two million, three hundred seventy-one thousand, three hundred ninety-one".