10198122479 has 4 divisors (see below), whose sum is σ = 10278422784. Its totient is φ = 10117822176.

The previous prime is 10198122439. The next prime is 10198122481. The reversal of 10198122479 is 97422189101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10198122479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10198122419) 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, 40149962 + ... + 40150215.

It is an arithmetic number, because the mean of its divisors is an integer number (2569605696).

Almost surely, 2^10198122479 is an apocalyptic number.

10198122479 is a deficient number, since it is larger than the sum of its proper divisors (80300305).

10198122479 is an equidigital number, since it uses as much as digits as its factorization.

10198122479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80300304.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 10198122479 in words is "ten billion, one hundred ninety-eight million, one hundred twenty-two thousand, four hundred seventy-nine".