747540687589 has 2 divisors, whose sum is σ = 747540687590. Its totient is φ = 747540687588.

The previous prime is 747540687527. The next prime is 747540687617. The reversal of 747540687589 is 985786045747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 706327627489 + 41213060100 = 840433^2 + 203010^2 .

It is a cyclic number.

It is not a de Polignac number, because 747540687589 - 2⁷ = 747540687461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747540087589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373770343794 + 373770343795.

It is an arithmetic number, because the mean of its divisors is an integer number (373770343795).

Almost surely, 2^747540687589 is an apocalyptic number.

It is an amenable number.

747540687589 is a deficient number, since it is larger than the sum of its proper divisors (1).

747540687589 is an equidigital number, since it uses as much as digits as its factorization.

747540687589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 474163200, while the sum is 70.

The spelling of 747540687589 in words is "seven hundred forty-seven billion, five hundred forty million, six hundred eighty-seven thousand, five hundred eighty-nine".