180739467457 has 2 divisors, whose sum is σ = 180739467458. Its totient is φ = 180739467456.

The previous prime is 180739467347. The next prime is 180739467487. The reversal of 180739467457 is 754764937081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169790147136 + 10949320321 = 412056^2 + 104639^2 .

It is a cyclic number.

It is not a de Polignac number, because 180739467457 - 2²⁷ = 180605249729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180739467395 and 180739467404.

It is not a weakly prime, because it can be changed into another prime (180739467487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90369733728 + 90369733729.

It is an arithmetic number, because the mean of its divisors is an integer number (90369733729).

Almost surely, 2^180739467457 is an apocalyptic number.

It is an amenable number.

180739467457 is a deficient number, since it is larger than the sum of its proper divisors (1).

180739467457 is an equidigital number, since it uses as much as digits as its factorization.

180739467457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 180739467457 in words is "one hundred eighty billion, seven hundred thirty-nine million, four hundred sixty-seven thousand, four hundred fifty-seven".