45643745870 has 16 divisors (see below), whose sum is σ = 85730862240. Its totient is φ = 17463693984.

The previous prime is 45643745837. The next prime is 45643745897. The reversal of 45643745870 is 7854734654.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99225305 + ... + 99225764.

It is an arithmetic number, because the mean of its divisors is an integer number (5358178890).

Almost surely, 2^45643745870 is an apocalyptic number.

45643745870 is a deficient number, since it is larger than the sum of its proper divisors (40087116370).

45643745870 is a wasteful number, since it uses less digits than its factorization.

45643745870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198451099.

The product of its (nonzero) digits is 11289600, while the sum is 53.

The spelling of 45643745870 in words is "forty-five billion, six hundred forty-three million, seven hundred forty-five thousand, eight hundred seventy".