5438262691 has 2 divisors, whose sum is σ = 5438262692. Its totient is φ = 5438262690.

The previous prime is 5438262659. The next prime is 5438262721. The reversal of 5438262691 is 1962628345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5438262691 - 2⁵ = 5438262659 is a prime.

It is a super-2 number, since 2×5438262691² = 59149402192645122962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5438262601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719131345 + 2719131346.

It is an arithmetic number, because the mean of its divisors is an integer number (2719131346).

Almost surely, 2^5438262691 is an apocalyptic number.

5438262691 is a deficient number, since it is larger than the sum of its proper divisors (1).

5438262691 is an equidigital number, since it uses as much as digits as its factorization.

5438262691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 5438262691 is about 73744.5773667461. The cubic root of 5438262691 is about 1758.5446270726.

The spelling of 5438262691 in words is "five billion, four hundred thirty-eight million, two hundred sixty-two thousand, six hundred ninety-one".