4674449379421 has 2 divisors, whose sum is σ = 4674449379422. Its totient is φ = 4674449379420.

The previous prime is 4674449379407. The next prime is 4674449379451. The reversal of 4674449379421 is 1249739444764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4667004105625 + 7445273796 = 2160325^2 + 86286^2 .

It is a cyclic number.

It is not a de Polignac number, because 4674449379421 - 2²⁷ = 4674315161693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4674449379451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2337224689710 + 2337224689711.

It is an arithmetic number, because the mean of its divisors is an integer number (2337224689711).

Almost surely, 2^{4674449379421} is an apocalyptic number.

It is an amenable number.

4674449379421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4674449379421 is an equidigital number, since it uses as much as digits as its factorization.

4674449379421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146313216, while the sum is 64.

The spelling of 4674449379421 in words is "four trillion, six hundred seventy-four billion, four hundred forty-nine million, three hundred seventy-nine thousand, four hundred twenty-one".