45383942039 has 4 divisors (see below), whose sum is σ = 45425089056. Its totient is φ = 45342795024.

The previous prime is 45383941979. The next prime is 45383942047. The reversal of 45383942039 is 93024938354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45383942039 is a prime.

It is a super-2 number, since 2×45383942039² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45383942099) 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, 20571854 + ... + 20574059.

It is an arithmetic number, because the mean of its divisors is an integer number (11356272264).

Almost surely, 2^45383942039 is an apocalyptic number.

45383942039 is a deficient number, since it is larger than the sum of its proper divisors (41147017).

45383942039 is a wasteful number, since it uses less digits than its factorization.

45383942039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41147016.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 45383942039 in words is "forty-five billion, three hundred eighty-three million, nine hundred forty-two thousand, thirty-nine".