36910193987 has 2 divisors, whose sum is σ = 36910193988. Its totient is φ = 36910193986.

The previous prime is 36910193959. The next prime is 36910194001. The reversal of 36910193987 is 78939101963.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36910193987 - 2³⁰ = 35836452163 is a prime.

It is not a weakly prime, because it can be changed into another prime (36910193917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18455096993 + 18455096994.

It is an arithmetic number, because the mean of its divisors is an integer number (18455096994).

Almost surely, 2^36910193987 is an apocalyptic number.

36910193987 is a deficient number, since it is larger than the sum of its proper divisors (1).

36910193987 is an equidigital number, since it uses as much as digits as its factorization.

36910193987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 56.

The spelling of 36910193987 in words is "thirty-six billion, nine hundred ten million, one hundred ninety-three thousand, nine hundred eighty-seven".