7572406489 has 2 divisors, whose sum is σ = 7572406490. Its totient is φ = 7572406488.

The previous prime is 7572406483. The next prime is 7572406529. The reversal of 7572406489 is 9846042757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7360267264 + 212139225 = 85792^2 + 14565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7572406489 is a prime.

It is not a weakly prime, because it can be changed into another prime (7572406483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3786203244 + 3786203245.

It is an arithmetic number, because the mean of its divisors is an integer number (3786203245).

Almost surely, 2^7572406489 is an apocalyptic number.

It is an amenable number.

7572406489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7572406489 is an equidigital number, since it uses as much as digits as its factorization.

7572406489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 7572406489 is about 87019.5753207288. The cubic root of 7572406489 is about 1963.7128090991.

The spelling of 7572406489 in words is "seven billion, five hundred seventy-two million, four hundred six thousand, four hundred eighty-nine".