434142791 has 2 divisors, whose sum is σ = 434142792. Its totient is φ = 434142790.

The previous prime is 434142773. The next prime is 434142811. The reversal of 434142791 is 197241434.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434142791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434142091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217071395 + 217071396.

It is an arithmetic number, because the mean of its divisors is an integer number (217071396).

Almost surely, 2^434142791 is an apocalyptic number.

434142791 is a deficient number, since it is larger than the sum of its proper divisors (1).

434142791 is an equidigital number, since it uses as much as digits as its factorization.

434142791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 434142791 is about 20836.0934678264. The cubic root of 434142791 is about 757.2004521665.

The spelling of 434142791 in words is "four hundred thirty-four million, one hundred forty-two thousand, seven hundred ninety-one".