45724929688 has 8 divisors (see below), whose sum is σ = 85734243180. Its totient is φ = 22862464840.

The previous prime is 45724929659. The next prime is 45724929689. The reversal of 45724929688 is 88692942754.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45724929689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857808098 + ... + 2857808113.

Almost surely, 2^45724929688 is an apocalyptic number.

It is an amenable number.

45724929688 is a deficient number, since it is larger than the sum of its proper divisors (40009313492).

45724929688 is a wasteful number, since it uses less digits than its factorization.

45724929688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715616217 (or 5715616213 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 64.

The spelling of 45724929688 in words is "forty-five billion, seven hundred twenty-four million, nine hundred twenty-nine thousand, six hundred eighty-eight".