45731849573 has 4 divisors (see below), whose sum is σ = 46414414560. Its totient is φ = 45049284588.

The previous prime is 45731849567. The next prime is 45731849609. The reversal of 45731849573 is 37594813754.

45731849573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45731849573 - 2⁴ = 45731849557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45731849533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341282393 + ... + 341282526.

It is an arithmetic number, because the mean of its divisors is an integer number (11603603640).

Almost surely, 2^45731849573 is an apocalyptic number.

It is an amenable number.

45731849573 is a deficient number, since it is larger than the sum of its proper divisors (682564987).

45731849573 is an equidigital number, since it uses as much as digits as its factorization.

45731849573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682564986.

The product of its digits is 12700800, while the sum is 56.

The spelling of 45731849573 in words is "forty-five billion, seven hundred thirty-one million, eight hundred forty-nine thousand, five hundred seventy-three".