45371272073 has 2 divisors, whose sum is σ = 45371272074. Its totient is φ = 45371272072.

The previous prime is 45371272007. The next prime is 45371272087. The reversal of 45371272073 is 37027217354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30789019024 + 14582253049 = 175468^2 + 120757^2 .

It is a cyclic number.

It is not a de Polignac number, because 45371272073 - 2²⁸ = 45102836617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45371272073.

It is not a weakly prime, because it can be changed into another prime (45371272673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22685636036 + 22685636037.

It is an arithmetic number, because the mean of its divisors is an integer number (22685636037).

Almost surely, 2^45371272073 is an apocalyptic number.

It is an amenable number.

45371272073 is a deficient number, since it is larger than the sum of its proper divisors (1).

45371272073 is an equidigital number, since it uses as much as digits as its factorization.

45371272073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 41.

The spelling of 45371272073 in words is "forty-five billion, three hundred seventy-one million, two hundred seventy-two thousand, seventy-three".