992122050109 has 4 divisors (see below), whose sum is σ = 992551356640. Its totient is φ = 991692743580.

The previous prime is 992122050091. The next prime is 992122050137. The reversal of 992122050109 is 901050221299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992122050109 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 (992122050809) 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, 214649799 + ... + 214654420.

It is an arithmetic number, because the mean of its divisors is an integer number (248137839160).

Almost surely, 2^992122050109 is an apocalyptic number.

It is an amenable number.

992122050109 is a deficient number, since it is larger than the sum of its proper divisors (429306531).

992122050109 is a wasteful number, since it uses less digits than its factorization.

992122050109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429306530.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 992122050109 in words is "nine hundred ninety-two billion, one hundred twenty-two million, fifty thousand, one hundred nine".