2878243451 has 2 divisors, whose sum is σ = 2878243452. Its totient is φ = 2878243450.

The previous prime is 2878243421. The next prime is 2878243457. The reversal of 2878243451 is 1543428782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2878243451 - 2²⁶ = 2811134587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2878243457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439121725 + 1439121726.

It is an arithmetic number, because the mean of its divisors is an integer number (1439121726).

Almost surely, 2^2878243451 is an apocalyptic number.

2878243451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878243451 is an equidigital number, since it uses as much as digits as its factorization.

2878243451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 44.

The square root of 2878243451 is about 53649.2632847833. The cubic root of 2878243451 is about 1422.4680103134.

The spelling of 2878243451 in words is "two billion, eight hundred seventy-eight million, two hundred forty-three thousand, four hundred fifty-one".