747540087589 has 2 divisors, whose sum is σ = 747540087590. Its totient is φ = 747540087588.

The previous prime is 747540087473. The next prime is 747540087607. The reversal of 747540087589 is 985780045747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 536622177025 + 210917910564 = 732545^2 + 459258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747540087589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 747540087589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747540087089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373770043794 + 373770043795.

It is an arithmetic number, because the mean of its divisors is an integer number (373770043795).

Almost surely, 2^747540087589 is an apocalyptic number.

It is an amenable number.

747540087589 is a deficient number, since it is larger than the sum of its proper divisors (1).

747540087589 is an equidigital number, since it uses as much as digits as its factorization.

747540087589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79027200, while the sum is 64.

The spelling of 747540087589 in words is "seven hundred forty-seven billion, five hundred forty million, eighty-seven thousand, five hundred eighty-nine".