7849872631 has 2 divisors, whose sum is σ = 7849872632. Its totient is φ = 7849872630.

The previous prime is 7849872617. The next prime is 7849872659. The reversal of 7849872631 is 1362789487.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7849872631 - 2⁹ = 7849872119 is a prime.

It is a super-2 number, since 2×7849872631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7849872661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924936315 + 3924936316.

It is an arithmetic number, because the mean of its divisors is an integer number (3924936316).

Almost surely, 2^7849872631 is an apocalyptic number.

7849872631 is a deficient number, since it is larger than the sum of its proper divisors (1).

7849872631 is an equidigital number, since it uses as much as digits as its factorization.

7849872631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 55.

The square root of 7849872631 is about 88599.5069455807. The cubic root of 7849872631 is about 1987.4103019577.

The spelling of 7849872631 in words is "seven billion, eight hundred forty-nine million, eight hundred seventy-two thousand, six hundred thirty-one".