45263630506 has 4 divisors (see below), whose sum is σ = 67895445762. Its totient is φ = 22631815252.

The previous prime is 45263630501. The next prime is 45263630513. The reversal of 45263630506 is 60503636254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45117583281 + 146047225 = 212409^2 + 12085^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45263630501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11315907625 + ... + 11315907628.

Almost surely, 2^45263630506 is an apocalyptic number.

45263630506 is a deficient number, since it is larger than the sum of its proper divisors (22631815256).

45263630506 is a wasteful number, since it uses less digits than its factorization.

45263630506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22631815255.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 45263630506 in words is "forty-five billion, two hundred sixty-three million, six hundred thirty thousand, five hundred six".