2768463389 has 2 divisors, whose sum is σ = 2768463390. Its totient is φ = 2768463388.

The previous prime is 2768463353. The next prime is 2768463407. The reversal of 2768463389 is 9833648672.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2491507225 + 276956164 = 49915^2 + 16642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2768463389 - 2⁸ = 2768463133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2768463319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384231694 + 1384231695.

It is an arithmetic number, because the mean of its divisors is an integer number (1384231695).

Almost surely, 2^2768463389 is an apocalyptic number.

It is an amenable number.

2768463389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768463389 is an equidigital number, since it uses as much as digits as its factorization.

2768463389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 56.

The square root of 2768463389 is about 52616.1894192272. The cubic root of 2768463389 is about 1404.1481374214.

The spelling of 2768463389 in words is "two billion, seven hundred sixty-eight million, four hundred sixty-three thousand, three hundred eighty-nine".