394834107629 has 8 divisors (see below), whose sum is σ = 432176552472. Its totient is φ = 358487461440.

The previous prime is 394834107601. The next prime is 394834107637. The reversal of 394834107629 is 926701438493.

It can be written as a sum of positive squares in 4 ways, for example, as 24056630404 + 370777477225 = 155102^2 + 608915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 394834107629 - 2⁸ = 394834107373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394834137629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248948834 + ... + 248950419.

It is an arithmetic number, because the mean of its divisors is an integer number (54022069059).

Almost surely, 2^394834107629 is an apocalyptic number.

It is an amenable number.

394834107629 is a deficient number, since it is larger than the sum of its proper divisors (37342444843).

394834107629 is a wasteful number, since it uses less digits than its factorization.

394834107629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497899327.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 394834107629 in words is "three hundred ninety-four billion, eight hundred thirty-four million, one hundred seven thousand, six hundred twenty-nine".