842263511 has 2 divisors, whose sum is σ = 842263512. Its totient is φ = 842263510.

The previous prime is 842263493. The next prime is 842263517. The reversal of 842263511 is 115362248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842263511 - 2²² = 838069207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842263517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421131755 + 421131756.

It is an arithmetic number, because the mean of its divisors is an integer number (421131756).

Almost surely, 2^842263511 is an apocalyptic number.

842263511 is a deficient number, since it is larger than the sum of its proper divisors (1).

842263511 is an equidigital number, since it uses as much as digits as its factorization.

842263511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 842263511 is about 29021.7764962795. The cubic root of 842263511 is about 944.3855401012.

The spelling of 842263511 in words is "eight hundred forty-two million, two hundred sixty-three thousand, five hundred eleven".