5436422681 has 2 divisors, whose sum is σ = 5436422682. Its totient is φ = 5436422680.

The previous prime is 5436422647. The next prime is 5436422687. The reversal of 5436422681 is 1862246345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3829134400 + 1607288281 = 61880^2 + 40091^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436422681 - 2¹⁸ = 5436160537 is a prime.

It is a super-2 number, since 2×5436422681² = 59109383132982455522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5436422687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718211340 + 2718211341.

It is an arithmetic number, because the mean of its divisors is an integer number (2718211341).

Almost surely, 2^5436422681 is an apocalyptic number.

It is an amenable number.

5436422681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436422681 is an equidigital number, since it uses as much as digits as its factorization.

5436422681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The square root of 5436422681 is about 73732.1007499447. The cubic root of 5436422681 is about 1758.3462729974.

The spelling of 5436422681 in words is "five billion, four hundred thirty-six million, four hundred twenty-two thousand, six hundred eighty-one".