45330394909 has 2 divisors, whose sum is σ = 45330394910. Its totient is φ = 45330394908.

The previous prime is 45330394903. The next prime is 45330394913. The reversal of 45330394909 is 90949303354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28824569284 + 16505825625 = 169778^2 + 128475^2 .

It is a cyclic number.

It is not a de Polignac number, because 45330394909 - 2⁵ = 45330394877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45330394903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22665197454 + 22665197455.

It is an arithmetic number, because the mean of its divisors is an integer number (22665197455).

Almost surely, 2^45330394909 is an apocalyptic number.

It is an amenable number.

45330394909 is a deficient number, since it is larger than the sum of its proper divisors (1).

45330394909 is an equidigital number, since it uses as much as digits as its factorization.

45330394909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 49.

The spelling of 45330394909 in words is "forty-five billion, three hundred thirty million, three hundred ninety-four thousand, nine hundred nine".