105347745943 has 4 divisors (see below), whose sum is σ = 114924813768. Its totient is φ = 95770678120.

The previous prime is 105347745929. The next prime is 105347746019. The reversal of 105347745943 is 349547743501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349547743501 = 11 ⋅31777067591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105347745943 is a prime.

It is a super-2 number, since 2×105347745943² (a number of 23 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 (105347745343) 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 3 ways as a sum of consecutive naturals, for example, 4788533896 + ... + 4788533917.

It is an arithmetic number, because the mean of its divisors is an integer number (28731203442).

Almost surely, 2^105347745943 is an apocalyptic number.

105347745943 is a deficient number, since it is larger than the sum of its proper divisors (9577067825).

105347745943 is an equidigital number, since it uses as much as digits as its factorization.

105347745943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577067824.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 105347745943 in words is "one hundred five billion, three hundred forty-seven million, seven hundred forty-five thousand, nine hundred forty-three".