7479665231 has 2 divisors, whose sum is σ = 7479665232. Its totient is φ = 7479665230.

The previous prime is 7479665203. The next prime is 7479665269. The reversal of 7479665231 is 1325669747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7479665231 - 2²⁶ = 7412556367 is a prime.

It is a super-2 number, since 2×7479665231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7479665231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7479667231) 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, 3739832615 + 3739832616.

It is an arithmetic number, because the mean of its divisors is an integer number (3739832616).

Almost surely, 2^7479665231 is an apocalyptic number.

7479665231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7479665231 is an equidigital number, since it uses as much as digits as its factorization.

7479665231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 50.

The square root of 7479665231 is about 86485.0578481624. The cubic root of 7479665231 is about 1955.6631542560.

The spelling of 7479665231 in words is "seven billion, four hundred seventy-nine million, six hundred sixty-five thousand, two hundred thirty-one".