20141892249 has 4 divisors (see below), whose sum is σ = 26855856336. Its totient is φ = 13427928164.

The previous prime is 20141892227. The next prime is 20141892263. The reversal of 20141892249 is 94229814102.

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 not a de Polignac number, because 20141892249 - 2⁵ = 20141892217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20141892249.

It is not an unprimeable number, because it can be changed into a prime (20141892209) 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, 3356982039 + ... + 3356982044.

It is an arithmetic number, because the mean of its divisors is an integer number (6713964084).

Almost surely, 2^20141892249 is an apocalyptic number.

It is an amenable number.

20141892249 is a deficient number, since it is larger than the sum of its proper divisors (6713964087).

20141892249 is an equidigital number, since it uses as much as digits as its factorization.

20141892249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713964086.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 20141892249 in words is "twenty billion, one hundred forty-one million, eight hundred ninety-two thousand, two hundred forty-nine".