45400237217 has 2 divisors, whose sum is σ = 45400237218. Its totient is φ = 45400237216.

The previous prime is 45400237193. The next prime is 45400237291. The reversal of 45400237217 is 71273200454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35465928976 + 9934308241 = 188324^2 + 99671^2 .

It is a cyclic number.

It is not a de Polignac number, because 45400237217 - 2⁸ = 45400236961 is a prime.

It is a super-2 number, since 2×45400237217² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45400239217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22700118608 + 22700118609.

It is an arithmetic number, because the mean of its divisors is an integer number (22700118609).

Almost surely, 2^45400237217 is an apocalyptic number.

It is an amenable number.

45400237217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45400237217 is an equidigital number, since it uses as much as digits as its factorization.

45400237217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 35.

It can be divided in two parts, 45400237 and 217, that added together give a palindrome (45400454).

The spelling of 45400237217 in words is "forty-five billion, four hundred million, two hundred thirty-seven thousand, two hundred seventeen".