45186484721 has 8 divisors (see below), whose sum is σ = 54679443840. Its totient is φ = 36452962368.

The previous prime is 45186484711. The next prime is 45186484723. The reversal of 45186484721 is 12748468154.

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

It is not a de Polignac number, because 45186484721 - 2⁶ = 45186484657 is a prime.

It is a super-3 number, since 3×45186484721³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45186484721.

It is not an unprimeable number, because it can be changed into a prime (45186484723) 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, 189859061 + ... + 189859298.

It is an arithmetic number, because the mean of its divisors is an integer number (6834930480).

Almost surely, 2^45186484721 is an apocalyptic number.

It is an amenable number.

45186484721 is a deficient number, since it is larger than the sum of its proper divisors (9492959119).

45186484721 is a wasteful number, since it uses less digits than its factorization.

45186484721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379718383.

The product of its digits is 1720320, while the sum is 50.

The spelling of 45186484721 in words is "forty-five billion, one hundred eighty-six million, four hundred eighty-four thousand, seven hundred twenty-one".