45289980991 has 2 divisors, whose sum is σ = 45289980992. Its totient is φ = 45289980990.

The previous prime is 45289980893. The next prime is 45289981001. The reversal of 45289980991 is 19908998254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45289980991 - 2²⁵ = 45256426559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45289980091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22644990495 + 22644990496.

It is an arithmetic number, because the mean of its divisors is an integer number (22644990496).

Almost surely, 2^45289980991 is an apocalyptic number.

45289980991 is a deficient number, since it is larger than the sum of its proper divisors (1).

45289980991 is an equidigital number, since it uses as much as digits as its factorization.

45289980991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 64.

The spelling of 45289980991 in words is "forty-five billion, two hundred eighty-nine million, nine hundred eighty thousand, nine hundred ninety-one".