834820184381 has 4 divisors (see below), whose sum is σ = 836173216092. Its totient is φ = 833467152672.

The previous prime is 834820184323. The next prime is 834820184383. The reversal of 834820184381 is 183481028438.

834820184381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190868503225 + 643951681156 = 436885^2 + 802466^2 .

It is a cyclic number.

It is not a de Polignac number, because 834820184381 - 2¹⁰ = 834820183357 is a prime.

It is a super-2 number, since 2×834820184381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834820184383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676514930 + ... + 676516163.

It is an arithmetic number, because the mean of its divisors is an integer number (209043304023).

Almost surely, 2^834820184381 is an apocalyptic number.

It is an amenable number.

834820184381 is a deficient number, since it is larger than the sum of its proper divisors (1353031711).

834820184381 is a wasteful number, since it uses less digits than its factorization.

834820184381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353031710.

The product of its (nonzero) digits is 1179648, while the sum is 50.

The spelling of 834820184381 in words is "eight hundred thirty-four billion, eight hundred twenty million, one hundred eighty-four thousand, three hundred eighty-one".