2254473779 has 2 divisors, whose sum is σ = 2254473780. Its totient is φ = 2254473778.

The previous prime is 2254473743. The next prime is 2254473787. The reversal of 2254473779 is 9773744522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2254473779 - 2⁸ = 2254473523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2254473379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127236889 + 1127236890.

It is an arithmetic number, because the mean of its divisors is an integer number (1127236890).

Almost surely, 2^2254473779 is an apocalyptic number.

2254473779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254473779 is an equidigital number, since it uses as much as digits as its factorization.

2254473779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 50.

The square root of 2254473779 is about 47481.2992556017. The cubic root of 2254473779 is about 1311.2386123281.

The spelling of 2254473779 in words is "two billion, two hundred fifty-four million, four hundred seventy-three thousand, seven hundred seventy-nine".