842454311 has 2 divisors, whose sum is σ = 842454312. Its totient is φ = 842454310.

The previous prime is 842454299. The next prime is 842454343. The reversal of 842454311 is 113454248.

It is an a-pointer prime, because the next prime (842454343) can be obtained adding 842454311 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842454311 is a prime.

It is a super-2 number, since 2×842454311² = 1419458532244969442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842450311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421227155 + 421227156.

It is an arithmetic number, because the mean of its divisors is an integer number (421227156).

Almost surely, 2^842454311 is an apocalyptic number.

842454311 is a deficient number, since it is larger than the sum of its proper divisors (1).

842454311 is an equidigital number, since it uses as much as digits as its factorization.

842454311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 32.

The square root of 842454311 is about 29025.0634969159. The cubic root of 842454311 is about 944.4568460343.

The spelling of 842454311 in words is "eight hundred forty-two million, four hundred fifty-four thousand, three hundred eleven".