834394707493438 has 96 divisors (see below), whose sum is σ = 1551555406598400. Its totient is φ = 329521195830528.

The previous prime is 834394707493427. The next prime is 834394707493513.

834394707493438 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16509891973 + ... + 16509942511.

It is an arithmetic number, because the mean of its divisors is an integer number (16162035485400).

Almost surely, 2^{834394707493438} is an apocalyptic number.

834394707493438 is a deficient number, since it is larger than the sum of its proper divisors (717160699104962).

834394707493438 is a wasteful number, since it uses less digits than its factorization.

834394707493438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62466 (or 62453 counting only the distinct ones).

The product of its (nonzero) digits is 5267275776, while the sum is 76.

The spelling of 834394707493438 in words is "eight hundred thirty-four trillion, three hundred ninety-four billion, seven hundred seven million, four hundred ninety-three thousand, four hundred thirty-eight".