45505490794 has 4 divisors (see below), whose sum is σ = 68258236194. Its totient is φ = 22752745396.

The previous prime is 45505490791. The next prime is 45505490819. The reversal of 45505490794 is 49709450554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49709450554 = 2 ⋅24854725277.

It can be written as a sum of positive squares in only one way, i.e., 29544453225 + 15961037569 = 171885^2 + 126337^2 .

It is not an unprimeable number, because it can be changed into a prime (45505490791) 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, 11376372697 + ... + 11376372700.

Almost surely, 2^45505490794 is an apocalyptic number.

45505490794 is a deficient number, since it is larger than the sum of its proper divisors (22752745400).

45505490794 is a wasteful number, since it uses less digits than its factorization.

45505490794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22752745399.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 45505490794 in words is "forty-five billion, five hundred five million, four hundred ninety thousand, seven hundred ninety-four".