434120500091 has 2 divisors, whose sum is σ = 434120500092. Its totient is φ = 434120500090.

The previous prime is 434120499991. The next prime is 434120500097. The reversal of 434120500091 is 190005021434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434120500091 - 2²⁶ = 434053391227 is a prime.

It is not a weakly prime, because it can be changed into another prime (434120500097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217060250045 + 217060250046.

It is an arithmetic number, because the mean of its divisors is an integer number (217060250046).

Almost surely, 2^434120500091 is an apocalyptic number.

434120500091 is a deficient number, since it is larger than the sum of its proper divisors (1).

434120500091 is an equidigital number, since it uses as much as digits as its factorization.

434120500091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 434120500091 in words is "four hundred thirty-four billion, one hundred twenty million, five hundred thousand, ninety-one".