5408468521 has 2 divisors, whose sum is σ = 5408468522. Its totient is φ = 5408468520.

The previous prime is 5408468431. The next prime is 5408468531. The reversal of 5408468521 is 1258648045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5112250000 + 296218521 = 71500^2 + 17211^2 .

It is a cyclic number.

It is not a de Polignac number, because 5408468521 - 2⁷ = 5408468393 is a prime.

It is not a weakly prime, because it can be changed into another prime (5408468531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2704234260 + 2704234261.

It is an arithmetic number, because the mean of its divisors is an integer number (2704234261).

Almost surely, 2^5408468521 is an apocalyptic number.

It is an amenable number.

5408468521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5408468521 is an equidigital number, since it uses as much as digits as its factorization.

5408468521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 307200, while the sum is 43.

The square root of 5408468521 is about 73542.2906972580. The cubic root of 5408468521 is about 1755.3272789477.

The spelling of 5408468521 in words is "five billion, four hundred eight million, four hundred sixty-eight thousand, five hundred twenty-one".