9091752389 has 2 divisors, whose sum is σ = 9091752390. Its totient is φ = 9091752388.

The previous prime is 9091752379. The next prime is 9091752391. The reversal of 9091752389 is 9832571909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7071969025 + 2019783364 = 84095^2 + 44942^2 .

It is a cyclic number.

It is not a de Polignac number, because 9091752389 - 2²⁰ = 9090703813 is a prime.

Together with 9091752391, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9091752389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9091752359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545876194 + 4545876195.

It is an arithmetic number, because the mean of its divisors is an integer number (4545876195).

Almost surely, 2^9091752389 is an apocalyptic number.

It is an amenable number.

9091752389 is a deficient number, since it is larger than the sum of its proper divisors (1).

9091752389 is an equidigital number, since it uses as much as digits as its factorization.

9091752389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 9091752389 is about 95350.6811145049. The cubic root of 9091752389 is about 2087.1285543884.

The spelling of 9091752389 in words is "nine billion, ninety-one million, seven hundred fifty-two thousand, three hundred eighty-nine".