45289980091 has 2 divisors, whose sum is σ = 45289980092. Its totient is φ = 45289980090.

The previous prime is 45289980089. The next prime is 45289980103. The reversal of 45289980091 is 19008998254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45289980091 - 2¹ = 45289980089 is a prime.

Together with 45289980089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45289980031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22644990045 + 22644990046.

It is an arithmetic number, because the mean of its divisors is an integer number (22644990046).

Almost surely, 2^45289980091 is an apocalyptic number.

45289980091 is a deficient number, since it is larger than the sum of its proper divisors (1).

45289980091 is an equidigital number, since it uses as much as digits as its factorization.

45289980091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 45289980091 in words is "forty-five billion, two hundred eighty-nine million, nine hundred eighty thousand, ninety-one".