36693571222457 has 2 divisors, whose sum is σ = 36693571222458. Its totient is φ = 36693571222456.

The previous prime is 36693571222433. The next prime is 36693571222489. The reversal of 36693571222457 is 75422217539663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29611271757376 + 7082299465081 = 5441624^2 + 2661259^2 .

It is a cyclic number.

It is not a de Polignac number, because 36693571222457 - 2⁴⁴ = 19101385178041 is a prime.

It is a super-2 number, since 2×36693571222457² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36693571222457.

It is not a weakly prime, because it can be changed into another prime (36693571222057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18346785611228 + 18346785611229.

It is an arithmetic number, because the mean of its divisors is an integer number (18346785611229).

Almost surely, 2^{36693571222457} is an apocalyptic number.

It is an amenable number.

36693571222457 is a deficient number, since it is larger than the sum of its proper divisors (1).

36693571222457 is an equidigital number, since it uses as much as digits as its factorization.

36693571222457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 114307200, while the sum is 62.

The spelling of 36693571222457 in words is "thirty-six trillion, six hundred ninety-three billion, five hundred seventy-one million, two hundred twenty-two thousand, four hundred fifty-seven".