45071989697 has 8 divisors (see below), whose sum is σ = 52355285952. Its totient is φ = 37999803600.

The previous prime is 45071989693. The next prime is 45071989717. The reversal of 45071989697 is 79698917054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45071989697 - 2² = 45071989693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45071989693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52777079 + ... + 52777932.

It is an arithmetic number, because the mean of its divisors is an integer number (6544410744).

Almost surely, 2^45071989697 is an apocalyptic number.

It is an amenable number.

45071989697 is a deficient number, since it is larger than the sum of its proper divisors (7283296255).

45071989697 is a wasteful number, since it uses less digits than its factorization.

45071989697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105555079.

The product of its (nonzero) digits is 34292160, while the sum is 65.

The spelling of 45071989697 in words is "forty-five billion, seventy-one million, nine hundred eighty-nine thousand, six hundred ninety-seven".