45995640989 has 2 divisors, whose sum is σ = 45995640990. Its totient is φ = 45995640988.

The previous prime is 45995640983. The next prime is 45995641001. The reversal of 45995640989 is 98904659954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38236673764 + 7758967225 = 195542^2 + 88085^2 .

It is a cyclic number.

It is not a de Polignac number, because 45995640989 - 2¹² = 45995636893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45995640983) 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, 22997820494 + 22997820495.

It is an arithmetic number, because the mean of its divisors is an integer number (22997820495).

Almost surely, 2^45995640989 is an apocalyptic number.

It is an amenable number.

45995640989 is a deficient number, since it is larger than the sum of its proper divisors (1).

45995640989 is an equidigital number, since it uses as much as digits as its factorization.

45995640989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125971200, while the sum is 68.

The spelling of 45995640989 in words is "forty-five billion, nine hundred ninety-five million, six hundred forty thousand, nine hundred eighty-nine".