2254178863 has 2 divisors, whose sum is σ = 2254178864. Its totient is φ = 2254178862.

The previous prime is 2254178851. The next prime is 2254178879. The reversal of 2254178863 is 3688714522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2254178863 - 2²⁵ = 2220624431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2254178363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127089431 + 1127089432.

It is an arithmetic number, because the mean of its divisors is an integer number (1127089432).

Almost surely, 2^2254178863 is an apocalyptic number.

2254178863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254178863 is an equidigital number, since it uses as much as digits as its factorization.

2254178863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 46.

The square root of 2254178863 is about 47478.1935524089. The cubic root of 2254178863 is about 1311.1814338543.

The spelling of 2254178863 in words is "two billion, two hundred fifty-four million, one hundred seventy-eight thousand, eight hundred sixty-three".