36962561989 has 2 divisors, whose sum is σ = 36962561990. Its totient is φ = 36962561988.

The previous prime is 36962561971. The next prime is 36962562017. The reversal of 36962561989 is 98916526963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25222839489 + 11739722500 = 158817^2 + 108350^2 .

It is a cyclic number.

It is not a de Polignac number, because 36962561989 - 2⁹ = 36962561477 is a prime.

It is a super-2 number, since 2×36962561989² (a number of 22 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 36962561989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36962561939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18481280994 + 18481280995.

It is an arithmetic number, because the mean of its divisors is an integer number (18481280995).

Almost surely, 2^36962561989 is an apocalyptic number.

It is an amenable number.

36962561989 is a deficient number, since it is larger than the sum of its proper divisors (1).

36962561989 is an equidigital number, since it uses as much as digits as its factorization.

36962561989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37791360, while the sum is 64.

The spelling of 36962561989 in words is "thirty-six billion, nine hundred sixty-two million, five hundred sixty-one thousand, nine hundred eighty-nine".