434622037597991 has 2 divisors, whose sum is σ = 434622037597992. Its totient is φ = 434622037597990.

The previous prime is 434622037597973. The next prime is 434622037598003. The reversal of 434622037597991 is 199795730226434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434622037597991 - 2⁶ = 434622037597927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434622037597091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217311018798995 + 217311018798996.

It is an arithmetic number, because the mean of its divisors is an integer number (217311018798996).

Almost surely, 2^{434622037597991} is an apocalyptic number.

434622037597991 is a deficient number, since it is larger than the sum of its proper divisors (1).

434622037597991 is an equidigital number, since it uses as much as digits as its factorization.

434622037597991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617258880, while the sum is 71.

The spelling of 434622037597991 in words is "four hundred thirty-four trillion, six hundred twenty-two billion, thirty-seven million, five hundred ninety-seven thousand, nine hundred ninety-one".