36487751591 has 2 divisors, whose sum is σ = 36487751592. Its totient is φ = 36487751590.

The previous prime is 36487751557. The next prime is 36487751603. The reversal of 36487751591 is 19515778463.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36487751591 - 2⁶ = 36487751527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36487751551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18243875795 + 18243875796.

It is an arithmetic number, because the mean of its divisors is an integer number (18243875796).

Almost surely, 2^36487751591 is an apocalyptic number.

36487751591 is a deficient number, since it is larger than the sum of its proper divisors (1).

36487751591 is an equidigital number, since it uses as much as digits as its factorization.

36487751591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 56.

The spelling of 36487751591 in words is "thirty-six billion, four hundred eighty-seven million, seven hundred fifty-one thousand, five hundred ninety-one".