36776612461 has 2 divisors, whose sum is σ = 36776612462. Its totient is φ = 36776612460.

The previous prime is 36776612449. The next prime is 36776612471. The reversal of 36776612461 is 16421667763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35086909225 + 1689703236 = 187315^2 + 41106^2 .

It is an emirp because it is prime and its reverse (16421667763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36776612461 - 2⁷ = 36776612333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36776612471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18388306230 + 18388306231.

It is an arithmetic number, because the mean of its divisors is an integer number (18388306231).

Almost surely, 2^36776612461 is an apocalyptic number.

It is an amenable number.

36776612461 is a deficient number, since it is larger than the sum of its proper divisors (1).

36776612461 is an equidigital number, since it uses as much as digits as its factorization.

36776612461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 49.

The spelling of 36776612461 in words is "thirty-six billion, seven hundred seventy-six million, six hundred twelve thousand, four hundred sixty-one".