105842398537 has 8 divisors (see below), whose sum is σ = 107037870120. Its totient is φ = 104647065600.

The previous prime is 105842398523. The next prime is 105842398553. The reversal of 105842398537 is 735893248501.

It can be written as a sum of positive squares in 4 ways, for example, as 12273094656 + 93569303881 = 110784^2 + 305891^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105842398537 is a prime.

It is a super-2 number, since 2×105842398537² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105842393537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2793673 + ... + 2831305.

It is an arithmetic number, because the mean of its divisors is an integer number (13379733765).

Almost surely, 2^105842398537 is an apocalyptic number.

It is an amenable number.

105842398537 is a deficient number, since it is larger than the sum of its proper divisors (1195471583).

105842398537 is an equidigital number, since it uses as much as digits as its factorization.

105842398537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69323.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 105842398537 in words is "one hundred five billion, eight hundred forty-two million, three hundred ninety-eight thousand, five hundred thirty-seven".