2551443213 has 16 divisors (see below), whose sum is σ = 3713083200. Its totient is φ = 1545540480.

The previous prime is 2551443197. The next prime is 2551443217. The reversal of 2551443213 is 3123441552.

2551443213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2551443213 - 2⁴ = 2551443197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551443217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49593 + ... + 86961.

It is an arithmetic number, because the mean of its divisors is an integer number (232067700).

Almost surely, 2^2551443213 is an apocalyptic number.

It is an amenable number.

2551443213 is a deficient number, since it is larger than the sum of its proper divisors (1161639987).

2551443213 is a wasteful number, since it uses less digits than its factorization.

2551443213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39452.

The product of its digits is 14400, while the sum is 30.

The square root of 2551443213 is about 50511.8126085374. The cubic root of 2551443213 is about 1366.4548997745.

Adding to 2551443213 its reverse (3123441552), we get a palindrome (5674884765).

The spelling of 2551443213 in words is "two billion, five hundred fifty-one million, four hundred forty-three thousand, two hundred thirteen".