5458578721 has 2 divisors, whose sum is σ = 5458578722. Its totient is φ = 5458578720.

The previous prime is 5458578709. The next prime is 5458578733. The reversal of 5458578721 is 1278758545.

It is a balanced prime because it is at equal distance from previous prime (5458578709) and next prime (5458578733).

It can be written as a sum of positive squares in only one way, i.e., 4110220321 + 1348358400 = 64111^2 + 36720^2 .

It is a cyclic number.

It is not a de Polignac number, because 5458578721 - 2¹³ = 5458570529 is a prime.

It is not a weakly prime, because it can be changed into another prime (5458578701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2729289360 + 2729289361.

It is an arithmetic number, because the mean of its divisors is an integer number (2729289361).

Almost surely, 2^5458578721 is an apocalyptic number.

It is an amenable number.

5458578721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5458578721 is an equidigital number, since it uses as much as digits as its factorization.

5458578721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136000, while the sum is 52.

The square root of 5458578721 is about 73882.1948848300. The cubic root of 5458578721 is about 1760.7317378490.

The spelling of 5458578721 in words is "five billion, four hundred fifty-eight million, five hundred seventy-eight thousand, seven hundred twenty-one".