45761720971 has 4 divisors (see below), whose sum is σ = 45766911744. Its totient is φ = 45756530200.

The previous prime is 45761720911. The next prime is 45761720993. The reversal of 45761720971 is 17902716754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45761720971 - 2²³ = 45753332363 is a prime.

It is a super-2 number, since 2×45761720971² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45761720911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582140 + ... + 2599801.

It is an arithmetic number, because the mean of its divisors is an integer number (11441727936).

Almost surely, 2^45761720971 is an apocalyptic number.

45761720971 is a deficient number, since it is larger than the sum of its proper divisors (5190773).

45761720971 is an equidigital number, since it uses as much as digits as its factorization.

45761720971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190772.

The product of its (nonzero) digits is 740880, while the sum is 49.

The spelling of 45761720971 in words is "forty-five billion, seven hundred sixty-one million, seven hundred twenty thousand, nine hundred seventy-one".