834454974546 has 160 divisors (see below), whose sum is σ = 2021195621808. Its totient is φ = 256334008320.

The previous prime is 834454974539. The next prime is 834454974623. The reversal of 834454974546 is 645479454438.

834454974546 is a `hidden beast` number, since 8 + 3 + 4 + 4 + 549 + 7 + 45 + 46 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 567067735521 + 267387239025 = 753039^2 + 517095^2 .

It is a super-2 number, since 2×834454974546² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 76040716 + ... + 76051688.

Almost surely, 2^834454974546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834454974546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1010597810904).

834454974546 is an abundant number, since it is smaller than the sum of its proper divisors (1186740647262).

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

834454974546 is a wasteful number, since it uses less digits than its factorization.

834454974546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11578 (or 11569 counting only the distinct ones).

The product of its digits is 232243200, while the sum is 63.

The spelling of 834454974546 in words is "eight hundred thirty-four billion, four hundred fifty-four million, nine hundred seventy-four thousand, five hundred forty-six".