36531814751977 has 2 divisors, whose sum is σ = 36531814751978. Its totient is φ = 36531814751976.

The previous prime is 36531814751969. The next prime is 36531814751981. The reversal of 36531814751977 is 77915741813563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19567210698256 + 16964604053721 = 4423484^2 + 4118811^2 .

It is a cyclic number.

It is not a de Polignac number, because 36531814751977 - 2³ = 36531814751969 is a prime.

It is not a weakly prime, because it can be changed into another prime (36531814754977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18265907375988 + 18265907375989.

It is an arithmetic number, because the mean of its divisors is an integer number (18265907375989).

Almost surely, 2^{36531814751977} is an apocalyptic number.

It is an amenable number.

36531814751977 is a deficient number, since it is larger than the sum of its proper divisors (1).

36531814751977 is an equidigital number, since it uses as much as digits as its factorization.

36531814751977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 133358400, while the sum is 67.

The spelling of 36531814751977 in words is "thirty-six trillion, five hundred thirty-one billion, eight hundred fourteen million, seven hundred fifty-one thousand, nine hundred seventy-seven".