8749946731 has 2 divisors, whose sum is σ = 8749946732. Its totient is φ = 8749946730.

The previous prime is 8749946687. The next prime is 8749946759. The reversal of 8749946731 is 1376499478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8749946731 - 2²⁵ = 8716392299 is a prime.

It is a super-2 number, since 2×8749946731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8749946761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374973365 + 4374973366.

It is an arithmetic number, because the mean of its divisors is an integer number (4374973366).

Almost surely, 2^8749946731 is an apocalyptic number.

8749946731 is a deficient number, since it is larger than the sum of its proper divisors (1).

8749946731 is an equidigital number, since it uses as much as digits as its factorization.

8749946731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 58.

The square root of 8749946731 is about 93541.1499341333. The cubic root of 8749946731 is about 2060.6384682435.

The spelling of 8749946731 in words is "eight billion, seven hundred forty-nine million, nine hundred forty-six thousand, seven hundred thirty-one".