36949998749 has 2 divisors, whose sum is σ = 36949998750. Its totient is φ = 36949998748.

The previous prime is 36949998739. The next prime is 36949998779. The reversal of 36949998749 is 94789994963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20968488025 + 15981510724 = 144805^2 + 126418^2 .

It is a cyclic number.

It is not a de Polignac number, because 36949998749 - 2⁸ = 36949998493 is a prime.

It is a super-2 number, since 2×36949998749² (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 36949998749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36949998719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18474999374 + 18474999375.

It is an arithmetic number, because the mean of its divisors is an integer number (18474999375).

Almost surely, 2^36949998749 is an apocalyptic number.

It is an amenable number.

36949998749 is a deficient number, since it is larger than the sum of its proper divisors (1).

36949998749 is an equidigital number, since it uses as much as digits as its factorization.

36949998749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952342272, while the sum is 77.

The spelling of 36949998749 in words is "thirty-six billion, nine hundred forty-nine million, nine hundred ninety-eight thousand, seven hundred forty-nine".