45809971271 has 2 divisors, whose sum is σ = 45809971272. Its totient is φ = 45809971270.

The previous prime is 45809971199. The next prime is 45809971289. The reversal of 45809971271 is 17217990854.

45809971271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45809971271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45809974271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22904985635 + 22904985636.

It is an arithmetic number, because the mean of its divisors is an integer number (22904985636).

Almost surely, 2^45809971271 is an apocalyptic number.

45809971271 is a deficient number, since it is larger than the sum of its proper divisors (1).

45809971271 is an equidigital number, since it uses as much as digits as its factorization.

45809971271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 45809971271 in words is "forty-five billion, eight hundred nine million, nine hundred seventy-one thousand, two hundred seventy-one".