36537144697 has 2 divisors, whose sum is σ = 36537144698. Its totient is φ = 36537144696.

The previous prime is 36537144673. The next prime is 36537144703. The reversal of 36537144697 is 79644173563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31421462121 + 5115682576 = 177261^2 + 71524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36537144697 is a prime.

It is not a weakly prime, because it can be changed into another prime (36537144667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18268572348 + 18268572349.

It is an arithmetic number, because the mean of its divisors is an integer number (18268572349).

Almost surely, 2^36537144697 is an apocalyptic number.

It is an amenable number.

36537144697 is a deficient number, since it is larger than the sum of its proper divisors (1).

36537144697 is an equidigital number, since it uses as much as digits as its factorization.

36537144697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 55.

The spelling of 36537144697 in words is "thirty-six billion, five hundred thirty-seven million, one hundred forty-four thousand, six hundred ninety-seven".