45638033506 has 16 divisors (see below), whose sum is σ = 73903246200. Its totient is φ = 21012202368.

The previous prime is 45638033479. The next prime is 45638033509. The reversal of 45638033506 is 60533083654.

It can be written as a sum of positive squares in 4 ways, for example, as 29205101025 + 16432932481 = 170895^2 + 128191^2 .

It is not an unprimeable number, because it can be changed into a prime (45638033509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135221 + ... + 2156488.

Almost surely, 2^45638033506 is an apocalyptic number.

45638033506 is a deficient number, since it is larger than the sum of its proper divisors (28265212694).

45638033506 is a wasteful number, since it uses less digits than its factorization.

45638033506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292133.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 45638033506 in words is "forty-five billion, six hundred thirty-eight million, thirty-three thousand, five hundred six".