105354218939 has 2 divisors, whose sum is σ = 105354218940. Its totient is φ = 105354218938.

The previous prime is 105354218917. The next prime is 105354218953. The reversal of 105354218939 is 939812453501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105354218939 - 2²⁴ = 105337441723 is a prime.

It is a super-2 number, since 2×105354218939² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105354211939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52677109469 + 52677109470.

It is an arithmetic number, because the mean of its divisors is an integer number (52677109470).

Almost surely, 2^105354218939 is an apocalyptic number.

105354218939 is a deficient number, since it is larger than the sum of its proper divisors (1).

105354218939 is an equidigital number, since it uses as much as digits as its factorization.

105354218939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 105354218939 in words is "one hundred five billion, three hundred fifty-four million, two hundred eighteen thousand, nine hundred thirty-nine".