7479667231 has 2 divisors, whose sum is σ = 7479667232. Its totient is φ = 7479667230.

The previous prime is 7479667219. The next prime is 7479667249. The reversal of 7479667231 is 1327669747.

It is a weak prime.

It is an emirp because it is prime and its reverse (1327669747) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7479667231 - 2⁵ = 7479667199 is a prime.

It is a super-2 number, since 2×7479667231² (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 (7479667201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739833615 + 3739833616.

It is an arithmetic number, because the mean of its divisors is an integer number (3739833616).

Almost surely, 2^7479667231 is an apocalyptic number.

7479667231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7479667231 is an equidigital number, since it uses as much as digits as its factorization.

7479667231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 52.

The square root of 7479667231 is about 86485.0694108526. The cubic root of 7479667231 is about 1955.6633285654.

The spelling of 7479667231 in words is "seven billion, four hundred seventy-nine million, six hundred sixty-seven thousand, two hundred thirty-one".