112019404249 has 3 divisors (see below), whose sum is σ = 112019738943. Its totient is φ = 112019069556.

The previous prime is 112019404219. The next prime is 112019404283. The reversal of 112019404249 is 942404910211.

The square root of 112019404249 is 334693.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 109670257225 + 2349147024 = 331165^2 + 48468^2 .

It is a de Polignac number, because none of the positive numbers 2^k-112019404249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112019404219) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 167347 + ... + 502039.

It is an arithmetic number, because the mean of its divisors is an integer number (37339912981).

Almost surely, 2^112019404249 is an apocalyptic number.

112019404249 is the 334693-rd square number.

112019404249 is the 167347-th centered octagonal number.

It is an amenable number.

112019404249 is a deficient number, since it is larger than the sum of its proper divisors (334694).

112019404249 is an frugal number, since it uses more digits than its factorization.

112019404249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669386 (or 334693 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 112019404249 in words is "one hundred twelve billion, nineteen million, four hundred four thousand, two hundred forty-nine".