45581908497 has 4 divisors (see below), whose sum is σ = 60775878000. Its totient is φ = 30387938996.

The previous prime is 45581908487. The next prime is 45581908511. The reversal of 45581908497 is 79480918554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45581908497 - 2²⁴ = 45565131281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45581908497.

It is not an unprimeable number, because it can be changed into a prime (45581908417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7596984747 + ... + 7596984752.

It is an arithmetic number, because the mean of its divisors is an integer number (15193969500).

Almost surely, 2^45581908497 is an apocalyptic number.

It is an amenable number.

45581908497 is a deficient number, since it is larger than the sum of its proper divisors (15193969503).

45581908497 is a wasteful number, since it uses less digits than its factorization.

45581908497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15193969502.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 45581908497 in words is "forty-five billion, five hundred eighty-one million, nine hundred eight thousand, four hundred ninety-seven".