36873637873 has 2 divisors, whose sum is σ = 36873637874. Its totient is φ = 36873637872.

The previous prime is 36873637847. The next prime is 36873637897. The reversal of 36873637873 is 37873637863.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19557183409 + 17316454464 = 139847^2 + 131592^2 .

It is an emirp because it is prime and its reverse (37873637863) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36873637873 is a prime.

It is not a weakly prime, because it can be changed into another prime (36873635873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18436818936 + 18436818937.

It is an arithmetic number, because the mean of its divisors is an integer number (18436818937).

Almost surely, 2^36873637873 is an apocalyptic number.

It is an amenable number.

36873637873 is a deficient number, since it is larger than the sum of its proper divisors (1).

36873637873 is an equidigital number, since it uses as much as digits as its factorization.

36873637873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64012032, while the sum is 61.

The spelling of 36873637873 in words is "thirty-six billion, eight hundred seventy-three million, six hundred thirty-seven thousand, eight hundred seventy-three".