5781426407 has 2 divisors, whose sum is σ = 5781426408. Its totient is φ = 5781426406.

The previous prime is 5781426377. The next prime is 5781426421. The reversal of 5781426407 is 7046241875.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5781426407 - 2⁸ = 5781426151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5781426307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2890713203 + 2890713204.

It is an arithmetic number, because the mean of its divisors is an integer number (2890713204).

Almost surely, 2^5781426407 is an apocalyptic number.

5781426407 is a deficient number, since it is larger than the sum of its proper divisors (1).

5781426407 is an equidigital number, since it uses as much as digits as its factorization.

5781426407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 5781426407 is about 76035.6916651647. The cubic root of 5781426407 is about 1794.7818427567.

The spelling of 5781426407 in words is "five billion, seven hundred eighty-one million, four hundred twenty-six thousand, four hundred seven".