36919864871 has 2 divisors, whose sum is σ = 36919864872. Its totient is φ = 36919864870.

The previous prime is 36919864847. The next prime is 36919864879. The reversal of 36919864871 is 17846891963.

It is a strong prime.

It is an emirp because it is prime and its reverse (17846891963) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36919864871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36919864879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18459932435 + 18459932436.

It is an arithmetic number, because the mean of its divisors is an integer number (18459932436).

Almost surely, 2^36919864871 is an apocalyptic number.

36919864871 is a deficient number, since it is larger than the sum of its proper divisors (1).

36919864871 is an equidigital number, since it uses as much as digits as its factorization.

36919864871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 62.

The spelling of 36919864871 in words is "thirty-six billion, nine hundred nineteen million, eight hundred sixty-four thousand, eight hundred seventy-one".