9999974371 has 2 divisors, whose sum is σ = 9999974372. Its totient is φ = 9999974370.

The previous prime is 9999974363. The next prime is 9999974401. The reversal of 9999974371 is 1734799999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9999974371 - 2³ = 9999974363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9999974297 and 9999974306.

It is not a weakly prime, because it can be changed into another prime (9999974321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999987185 + 4999987186.

It is an arithmetic number, because the mean of its divisors is an integer number (4999987186).

Almost surely, 2^9999974371 is an apocalyptic number.

9999974371 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999974371 is an equidigital number, since it uses as much as digits as its factorization.

9999974371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34720812, while the sum is 67.

The square root of 9999974371 is about 99999.8718549179. The cubic root of 9999974371 is about 2154.4328494968.

The spelling of 9999974371 in words is "nine billion, nine hundred ninety-nine million, nine hundred seventy-four thousand, three hundred seventy-one".