36011903749 has 2 divisors, whose sum is σ = 36011903750. Its totient is φ = 36011903748.

The previous prime is 36011903747. The next prime is 36011903771. The reversal of 36011903749 is 94730911063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19343802724 + 16668101025 = 139082^2 + 129105^2 .

It is a cyclic number.

It is not a de Polignac number, because 36011903749 - 2¹ = 36011903747 is a prime.

Together with 36011903747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36011903747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18005951874 + 18005951875.

It is an arithmetic number, because the mean of its divisors is an integer number (18005951875).

Almost surely, 2^36011903749 is an apocalyptic number.

It is an amenable number.

36011903749 is a deficient number, since it is larger than the sum of its proper divisors (1).

36011903749 is an equidigital number, since it uses as much as digits as its factorization.

36011903749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 36011903749 in words is "thirty-six billion, eleven million, nine hundred three thousand, seven hundred forty-nine".