2253978819 has 12 divisors (see below), whose sum is σ = 3376330776. Its totient is φ = 1502652384.

The previous prime is 2253978809. The next prime is 2253978823. The reversal of 2253978819 is 9188793522.

2253978819 is a `hidden beast` number, since 22 + 539 + 7 + 8 + 81 + 9 = 666.

2253978819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2253978819 - 2¹⁷ = 2253847747 is a prime.

It is a super-2 number, since 2×2253978819² = 10160841033001269522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2253978809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4637574 + ... + 4638059.

It is an arithmetic number, because the mean of its divisors is an integer number (281360898).

Almost surely, 2^2253978819 is an apocalyptic number.

2253978819 is a deficient number, since it is larger than the sum of its proper divisors (1122351957).

2253978819 is an frugal number, since it uses more digits than its factorization.

2253978819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275648 (or 9275636 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 2253978819 is about 47476.0868122047. The cubic root of 2253978819 is about 1311.1426463765.

The spelling of 2253978819 in words is "two billion, two hundred fifty-three million, nine hundred seventy-eight thousand, eight hundred nineteen".