5438836541 has 2 divisors, whose sum is σ = 5438836542. Its totient is φ = 5438836540.

The previous prime is 5438836517. The next prime is 5438836631. The reversal of 5438836541 is 1456388345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4812335641 + 626500900 = 69371^2 + 25030^2 .

It is a cyclic number.

It is not a de Polignac number, because 5438836541 - 2⁶ = 5438836477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5435836541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719418270 + 2719418271.

It is an arithmetic number, because the mean of its divisors is an integer number (2719418271).

Almost surely, 2^5438836541 is an apocalyptic number.

It is an amenable number.

5438836541 is a deficient number, since it is larger than the sum of its proper divisors (1).

5438836541 is an equidigital number, since it uses as much as digits as its factorization.

5438836541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 47.

The square root of 5438836541 is about 73748.4680586655. The cubic root of 5438836541 is about 1758.6064792607.

The spelling of 5438836541 in words is "five billion, four hundred thirty-eight million, eight hundred thirty-six thousand, five hundred forty-one".