2253781366 has 8 divisors (see below), whose sum is σ = 3380874264. Its totient is φ = 1126823280.

The previous prime is 2253781319. The next prime is 2253781373. The reversal of 2253781366 is 6631873522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43081 + ... + 79771.

It is an arithmetic number, because the mean of its divisors is an integer number (422609283).

Almost surely, 2^2253781366 is an apocalyptic number.

2253781366 is a deficient number, since it is larger than the sum of its proper divisors (1127092898).

2253781366 is a wasteful number, since it uses less digits than its factorization.

2253781366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67406.

The product of its digits is 362880, while the sum is 43.

The square root of 2253781366 is about 47474.0072671351. The cubic root of 2253781366 is about 1311.1043590292.

The spelling of 2253781366 in words is "two billion, two hundred fifty-three million, seven hundred eighty-one thousand, three hundred sixty-six".