434694408642 has 48 divisors (see below), whose sum is σ = 1037875046208. Its totient is φ = 130641608160.

The previous prime is 434694408637. The next prime is 434694408703. The reversal of 434694408642 is 246804496434.

It is a happy number.

434694408642 is a `hidden beast` number, since 43 + 46 + 9 + 440 + 86 + 42 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21590734 + ... + 21610857.

It is an arithmetic number, because the mean of its divisors is an integer number (21622396796).

Almost surely, 2^434694408642 is an apocalyptic number.

434694408642 is an abundant number, since it is smaller than the sum of its proper divisors (603180637566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434694408642 is a wasteful number, since it uses less digits than its factorization.

434694408642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43201655 (or 43201652 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 54.

The spelling of 434694408642 in words is "four hundred thirty-four billion, six hundred ninety-four million, four hundred eight thousand, six hundred forty-two".