2136809033431 has 2 divisors, whose sum is σ = 2136809033432. Its totient is φ = 2136809033430.

The previous prime is 2136809033321. The next prime is 2136809033461. The reversal of 2136809033431 is 1343309086312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2136809033431 - 2¹⁵ = 2136809000663 is a prime.

It is a super-2 number, since 2×2136809033431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136809033461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068404516715 + 1068404516716.

It is an arithmetic number, because the mean of its divisors is an integer number (1068404516716).

Almost surely, 2^{2136809033431} is an apocalyptic number.

2136809033431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136809033431 is an equidigital number, since it uses as much as digits as its factorization.

2136809033431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 2136809033431 in words is "two trillion, one hundred thirty-six billion, eight hundred nine million, thirty-three thousand, four hundred thirty-one".