105891292493 has 8 divisors (see below), whose sum is σ = 121046103360. Its totient is φ = 90743352480.

The previous prime is 105891292477. The next prime is 105891292519. The reversal of 105891292493 is 394292198501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105891292493 - 2⁴ = 105891292477 is a prime.

It is a super-2 number, since 2×105891292493² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105891202493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684643 + ... + 1746368.

It is an arithmetic number, because the mean of its divisors is an integer number (15130762920).

Almost surely, 2^105891292493 is an apocalyptic number.

It is an amenable number.

105891292493 is a deficient number, since it is larger than the sum of its proper divisors (15154810867).

105891292493 is an equidigital number, since it uses as much as digits as its factorization.

105891292493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435427.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 105891292493 in words is "one hundred five billion, eight hundred ninety-one million, two hundred ninety-two thousand, four hundred ninety-three".