105097912939 has 4 divisors (see below), whose sum is σ = 105196228240. Its totient is φ = 104999597640.

The previous prime is 105097912861. The next prime is 105097913093. The reversal of 105097912939 is 939219790501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939219790501 = 419 ⋅2241574679.

It is a cyclic number.

It is not a de Polignac number, because 105097912939 - 2³¹ = 102950429291 is a prime.

It is a super-2 number, since 2×105097912939² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105097912939.

It is not an unprimeable number, because it can be changed into a prime (105097912739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49156047 + ... + 49158184.

It is an arithmetic number, because the mean of its divisors is an integer number (26299057060).

Almost surely, 2^105097912939 is an apocalyptic number.

105097912939 is a deficient number, since it is larger than the sum of its proper divisors (98315301).

105097912939 is an equidigital number, since it uses as much as digits as its factorization.

105097912939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98315300.

The product of its (nonzero) digits is 1377810, while the sum is 55.

The spelling of 105097912939 in words is "one hundred five billion, ninety-seven million, nine hundred twelve thousand, nine hundred thirty-nine".