36149807509 has 2 divisors, whose sum is σ = 36149807510. Its totient is φ = 36149807508.

The previous prime is 36149807497. The next prime is 36149807591. The reversal of 36149807509 is 90570894163.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23402268484 + 12747539025 = 152978^2 + 112905^2 .

It is a cyclic number.

It is not a de Polignac number, because 36149807509 - 2¹⁵ = 36149774741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36149877509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18074903754 + 18074903755.

It is an arithmetic number, because the mean of its divisors is an integer number (18074903755).

Almost surely, 2^36149807509 is an apocalyptic number.

It is an amenable number.

36149807509 is a deficient number, since it is larger than the sum of its proper divisors (1).

36149807509 is an equidigital number, since it uses as much as digits as its factorization.

36149807509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 36149807509 in words is "thirty-six billion, one hundred forty-nine million, eight hundred seven thousand, five hundred nine".