36426991187 has 2 divisors, whose sum is σ = 36426991188. Its totient is φ = 36426991186.

The previous prime is 36426991079. The next prime is 36426991189. The reversal of 36426991187 is 78119962463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36426991187 - 2¹⁴ = 36426974803 is a prime.

Together with 36426991189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36426991189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18213495593 + 18213495594.

It is an arithmetic number, because the mean of its divisors is an integer number (18213495594).

Almost surely, 2^36426991187 is an apocalyptic number.

36426991187 is a deficient number, since it is larger than the sum of its proper divisors (1).

36426991187 is an equidigital number, since it uses as much as digits as its factorization.

36426991187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The spelling of 36426991187 in words is "thirty-six billion, four hundred twenty-six million, nine hundred ninety-one thousand, one hundred eighty-seven".