45436407643 has 4 divisors (see below), whose sum is σ = 49566990168. Its totient is φ = 41305825120.

The previous prime is 45436407623. The next prime is 45436407659. The reversal of 45436407643 is 34670463454.

45436407643 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45436407643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45436407593 and 45436407602.

It is not an unprimeable number, because it can be changed into a prime (45436407623) 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, 2065291246 + ... + 2065291267.

It is an arithmetic number, because the mean of its divisors is an integer number (12391747542).

Almost surely, 2^45436407643 is an apocalyptic number.

45436407643 is a deficient number, since it is larger than the sum of its proper divisors (4130582525).

45436407643 is a wasteful number, since it uses less digits than its factorization.

45436407643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130582524.

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 45436407643 in words is "forty-five billion, four hundred thirty-six million, four hundred seven thousand, six hundred forty-three".