811962343 has 2 divisors, whose sum is σ = 811962344. Its totient is φ = 811962342.

The previous prime is 811962293. The next prime is 811962367. The reversal of 811962343 is 343269118.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 811962343 - 2²⁵ = 778407911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (811962383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405981171 + 405981172.

It is an arithmetic number, because the mean of its divisors is an integer number (405981172).

Almost surely, 2^811962343 is an apocalyptic number.

811962343 is a deficient number, since it is larger than the sum of its proper divisors (1).

811962343 is an equidigital number, since it uses as much as digits as its factorization.

811962343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 811962343 is about 28494.9529390733. The cubic root of 811962343 is about 932.9219170432.

The spelling of 811962343 in words is "eight hundred eleven million, nine hundred sixty-two thousand, three hundred forty-three".