45638033509 has 2 divisors, whose sum is σ = 45638033510. Its totient is φ = 45638033508.

The previous prime is 45638033479. The next prime is 45638033537. The reversal of 45638033509 is 90533083654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22996812609 + 22641220900 = 151647^2 + 150470^2 .

It is a cyclic number.

It is not a de Polignac number, because 45638033509 - 2²⁹ = 45101162597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45638033549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22819016754 + 22819016755.

It is an arithmetic number, because the mean of its divisors is an integer number (22819016755).

Almost surely, 2^45638033509 is an apocalyptic number.

It is an amenable number.

45638033509 is a deficient number, since it is larger than the sum of its proper divisors (1).

45638033509 is an equidigital number, since it uses as much as digits as its factorization.

45638033509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 45638033509 in words is "forty-five billion, six hundred thirty-eight million, thirty-three thousand, five hundred nine".