7312792489 has 2 divisors, whose sum is σ = 7312792490. Its totient is φ = 7312792488.

The previous prime is 7312792483. The next prime is 7312792541. The reversal of 7312792489 is 9842972137.

It is an a-pointer prime, because the next prime (7312792541) can be obtained adding 7312792489 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5607763225 + 1705029264 = 74885^2 + 41292^2 .

It is a cyclic number.

It is not a de Polignac number, because 7312792489 - 2⁵ = 7312792457 is a prime.

It is not a weakly prime, because it can be changed into another prime (7312792483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656396244 + 3656396245.

It is an arithmetic number, because the mean of its divisors is an integer number (3656396245).

Almost surely, 2^7312792489 is an apocalyptic number.

It is an amenable number.

7312792489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312792489 is an equidigital number, since it uses as much as digits as its factorization.

7312792489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 7312792489 is about 85514.8670641544. The cubic root of 7312792489 is about 1941.0098976327.

The spelling of 7312792489 in words is "seven billion, three hundred twelve million, seven hundred ninety-two thousand, four hundred eighty-nine".