434111955187 has 2 divisors, whose sum is σ = 434111955188. Its totient is φ = 434111955186.

The previous prime is 434111955133. The next prime is 434111955197. The reversal of 434111955187 is 781559111434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434111955187 - 2⁷ = 434111955059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434111955187.

It is not a weakly prime, because it can be changed into another prime (434111955197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217055977593 + 217055977594.

It is an arithmetic number, because the mean of its divisors is an integer number (217055977594).

Almost surely, 2^434111955187 is an apocalyptic number.

434111955187 is a deficient number, since it is larger than the sum of its proper divisors (1).

434111955187 is an equidigital number, since it uses as much as digits as its factorization.

434111955187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 49.

The spelling of 434111955187 in words is "four hundred thirty-four billion, one hundred eleven million, nine hundred fifty-five thousand, one hundred eighty-seven".