45444993943 has 4 divisors (see below), whose sum is σ = 45445750768. Its totient is φ = 45444237120.

The previous prime is 45444993911. The next prime is 45444993959. The reversal of 45444993943 is 34939944454.

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

It is a cyclic number.

It is not a de Polignac number, because 45444993943 - 2⁵ = 45444993911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444993973) 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, 279771 + ... + 411292.

It is an arithmetic number, because the mean of its divisors is an integer number (11361437692).

Almost surely, 2^45444993943 is an apocalyptic number.

45444993943 is a deficient number, since it is larger than the sum of its proper divisors (756825).

45444993943 is an equidigital number, since it uses as much as digits as its factorization.

45444993943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756824.

The product of its digits is 33592320, while the sum is 58.

The spelling of 45444993943 in words is "forty-five billion, four hundred forty-four million, nine hundred ninety-three thousand, nine hundred forty-three".