4821420497 has 4 divisors (see below), whose sum is σ = 4824587760. Its totient is φ = 4818253236.

The previous prime is 4821420493. The next prime is 4821420509. The reversal of 4821420497 is 7940241284.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4821420497 - 2² = 4821420493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4821420493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581347 + ... + 1584392.

It is an arithmetic number, because the mean of its divisors is an integer number (1206146940).

Almost surely, 2^4821420497 is an apocalyptic number.

It is an amenable number.

4821420497 is a deficient number, since it is larger than the sum of its proper divisors (3167263).

4821420497 is a wasteful number, since it uses less digits than its factorization.

4821420497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167262.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 4821420497 is about 69436.4493403861. The cubic root of 4821420497 is about 1689.3708776033.

The spelling of 4821420497 in words is "four billion, eight hundred twenty-one million, four hundred twenty thousand, four hundred ninety-seven".