9474874681 has 2 divisors, whose sum is σ = 9474874682. Its totient is φ = 9474874680.

The previous prime is 9474874649. The next prime is 9474874699. The reversal of 9474874681 is 1864784749.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9353984656 + 120890025 = 96716^2 + 10995^2 .

It is a cyclic number.

It is not a de Polignac number, because 9474874681 - 2⁵ = 9474874649 is a prime.

It is a super-2 number, since 2×9474874681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9474874601) 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, 4737437340 + 4737437341.

It is an arithmetic number, because the mean of its divisors is an integer number (4737437341).

Almost surely, 2^9474874681 is an apocalyptic number.

It is an amenable number.

9474874681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9474874681 is an equidigital number, since it uses as much as digits as its factorization.

9474874681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10838016, while the sum is 58.

The square root of 9474874681 is about 97338.9679470663. The cubic root of 9474874681 is about 2116.0430135070.

The spelling of 9474874681 in words is "nine billion, four hundred seventy-four million, eight hundred seventy-four thousand, six hundred eighty-one".