36500137535837 has 2 divisors, whose sum is σ = 36500137535838. Its totient is φ = 36500137535836.

The previous prime is 36500137535819. The next prime is 36500137535861. The reversal of 36500137535837 is 73853573100563.

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., 28954095571801 + 7546041964036 = 5380901^2 + 2747006^2 .

It is a cyclic number.

It is not a de Polignac number, because 36500137535837 - 2²⁶ = 36500070426973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36500137535737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18250068767918 + 18250068767919.

It is an arithmetic number, because the mean of its divisors is an integer number (18250068767919).

Almost surely, 2^{36500137535837} is an apocalyptic number.

It is an amenable number.

36500137535837 is a deficient number, since it is larger than the sum of its proper divisors (1).

36500137535837 is an equidigital number, since it uses as much as digits as its factorization.

36500137535837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814000, while the sum is 56.

The spelling of 36500137535837 in words is "thirty-six trillion, five hundred billion, one hundred thirty-seven million, five hundred thirty-five thousand, eight hundred thirty-seven".