77342733006493 has 2 divisors, whose sum is σ = 77342733006494. Its totient is φ = 77342733006492.

The previous prime is 77342733006401. The next prime is 77342733006563. The reversal of 77342733006493 is 39460033724377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40687724388249 + 36655008618244 = 6378693^2 + 6054338^2 .

It is a cyclic number.

It is not a de Polignac number, because 77342733006493 - 2²⁵ = 77342699452061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77342733006893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38671366503246 + 38671366503247.

It is an arithmetic number, because the mean of its divisors is an integer number (38671366503247).

Almost surely, 2^{77342733006493} is an apocalyptic number.

It is an amenable number.

77342733006493 is a deficient number, since it is larger than the sum of its proper divisors (1).

77342733006493 is an equidigital number, since it uses as much as digits as its factorization.

77342733006493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48009024, while the sum is 58.

The spelling of 77342733006493 in words is "seventy-seven trillion, three hundred forty-two billion, seven hundred thirty-three million, six thousand, four hundred ninety-three".