5478968591 has 2 divisors, whose sum is σ = 5478968592. Its totient is φ = 5478968590.

The previous prime is 5478968587. The next prime is 5478968659. The reversal of 5478968591 is 1958698745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5478968591 - 2² = 5478968587 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5478968581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2739484295 + 2739484296.

It is an arithmetic number, because the mean of its divisors is an integer number (2739484296).

Almost surely, 2^5478968591 is an apocalyptic number.

5478968591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5478968591 is an equidigital number, since it uses as much as digits as its factorization.

5478968591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 62.

The square root of 5478968591 is about 74020.0553296200. The cubic root of 5478968591 is about 1762.9213482581.

The spelling of 5478968591 in words is "five billion, four hundred seventy-eight million, nine hundred sixty-eight thousand, five hundred ninety-one".