45725643668 has 12 divisors (see below), whose sum is σ = 80032600032. Its totient is φ = 22859186520.

The previous prime is 45725643643. The next prime is 45725643683. The reversal of 45725643668 is 86634652754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880430 + ... + 930917.

It is an arithmetic number, because the mean of its divisors is an integer number (6669383336).

Almost surely, 2^45725643668 is an apocalyptic number.

It is an amenable number.

45725643668 is a deficient number, since it is larger than the sum of its proper divisors (34306956364).

45725643668 is a wasteful number, since it uses less digits than its factorization.

45725643668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817662 (or 1817660 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 56.

The spelling of 45725643668 in words is "forty-five billion, seven hundred twenty-five million, six hundred forty-three thousand, six hundred sixty-eight".