5708581421 has 2 divisors, whose sum is σ = 5708581422. Its totient is φ = 5708581420.

The previous prime is 5708581379. The next prime is 5708581427. The reversal of 5708581421 is 1241858075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3920137321 + 1788444100 = 62611^2 + 42290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5708581421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5708581427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2854290710 + 2854290711.

It is an arithmetic number, because the mean of its divisors is an integer number (2854290711).

Almost surely, 2^5708581421 is an apocalyptic number.

It is an amenable number.

5708581421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5708581421 is an equidigital number, since it uses as much as digits as its factorization.

5708581421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 5708581421 is about 75555.1548274504. The cubic root of 5708581421 is about 1787.2119785400.

The spelling of 5708581421 in words is "five billion, seven hundred eight million, five hundred eighty-one thousand, four hundred twenty-one".