4943021797 has 4 divisors (see below), whose sum is σ = 5649167776. Its totient is φ = 4236875820.

The previous prime is 4943021789. The next prime is 4943021801. The reversal of 4943021797 is 7971203494.

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 4943021797 - 2³ = 4943021789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4943021717) 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, 353072979 + ... + 353072992.

It is an arithmetic number, because the mean of its divisors is an integer number (1412291944).

Almost surely, 2^4943021797 is an apocalyptic number.

It is an amenable number.

4943021797 is a deficient number, since it is larger than the sum of its proper divisors (706145979).

4943021797 is an equidigital number, since it uses as much as digits as its factorization.

4943021797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706145978.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 4943021797 is about 70306.6269778319. The cubic root of 4943021797 is about 1703.4556923304.

The spelling of 4943021797 in words is "four billion, nine hundred forty-three million, twenty-one thousand, seven hundred ninety-seven".