45371491189 has 2 divisors, whose sum is σ = 45371491190. Its totient is φ = 45371491188.

The previous prime is 45371491181. The next prime is 45371491211. The reversal of 45371491189 is 98119417354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32993816164 + 12377675025 = 181642^2 + 111255^2 .

It is a cyclic number.

It is not a de Polignac number, because 45371491189 - 2³ = 45371491181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45371491181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22685745594 + 22685745595.

It is an arithmetic number, because the mean of its divisors is an integer number (22685745595).

Almost surely, 2^45371491189 is an apocalyptic number.

It is an amenable number.

45371491189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45371491189 is an equidigital number, since it uses as much as digits as its factorization.

45371491189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 52.

The spelling of 45371491189 in words is "forty-five billion, three hundred seventy-one million, four hundred ninety-one thousand, one hundred eighty-nine".