105284612834 has 4 divisors (see below), whose sum is σ = 157926919254. Its totient is φ = 52642306416.

The previous prime is 105284612819. The next prime is 105284612863. The reversal of 105284612834 is 438216482501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 438216482501 = 7 ⋅62602354643.

It can be written as a sum of positive squares in only one way, i.e., 67913923609 + 37370689225 = 260603^2 + 193315^2 .

It is a super-2 number, since 2×105284612834² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321153207 + ... + 26321153210.

Almost surely, 2^105284612834 is an apocalyptic number.

105284612834 is a deficient number, since it is larger than the sum of its proper divisors (52642306420).

105284612834 is an equidigital number, since it uses as much as digits as its factorization.

105284612834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52642306419.

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 105284612834 in words is "one hundred five billion, two hundred eighty-four million, six hundred twelve thousand, eight hundred thirty-four".