434991738195 has 24 divisors (see below), whose sum is σ = 861697920096. Its totient is φ = 198853365888.

The previous prime is 434991738169. The next prime is 434991738199. The reversal of 434991738195 is 591837199434.

434991738195 is a `hidden beast` number, since 43 + 49 + 91 + 7 + 381 + 95 = 666.

It is not a de Polignac number, because 434991738195 - 2⁵ = 434991738163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (434991738199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 690462762 + ... + 690463391.

It is an arithmetic number, because the mean of its divisors is an integer number (35904080004).

Almost surely, 2^434991738195 is an apocalyptic number.

434991738195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

434991738195 is a deficient number, since it is larger than the sum of its proper divisors (426706181901).

434991738195 is a wasteful number, since it uses less digits than its factorization.

434991738195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380926171 (or 1380926168 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 434991738195 in words is "four hundred thirty-four billion, nine hundred ninety-one million, seven hundred thirty-eight thousand, one hundred ninety-five".