2551443043 has 2 divisors, whose sum is σ = 2551443044. Its totient is φ = 2551443042.

The previous prime is 2551443031. The next prime is 2551443109. The reversal of 2551443043 is 3403441552.

2551443043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2551443043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2551442996 and 2551443014.

It is not a weakly prime, because it can be changed into another prime (2551443143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275721521 + 1275721522.

It is an arithmetic number, because the mean of its divisors is an integer number (1275721522).

Almost surely, 2^2551443043 is an apocalyptic number.

2551443043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551443043 is an equidigital number, since it uses as much as digits as its factorization.

2551443043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2551443043 is about 50511.8109257627. The cubic root of 2551443043 is about 1366.4548694261.

Adding to 2551443043 its reverse (3403441552), we get a palindrome (5954884595).

The spelling of 2551443043 in words is "two billion, five hundred fifty-one million, four hundred forty-three thousand, forty-three".