4742811336421 has 2 divisors, whose sum is σ = 4742811336422. Its totient is φ = 4742811336420.

The previous prime is 4742811336323. The next prime is 4742811336427. The reversal of 4742811336421 is 1246331182474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2553044730625 + 2189766605796 = 1597825^2 + 1479786^2 .

It is a cyclic number.

It is not a de Polignac number, because 4742811336421 - 2⁹ = 4742811335909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4742811336427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371405668210 + 2371405668211.

It is an arithmetic number, because the mean of its divisors is an integer number (2371405668211).

Almost surely, 2^{4742811336421} is an apocalyptic number.

It is an amenable number.

4742811336421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4742811336421 is an equidigital number, since it uses as much as digits as its factorization.

4742811336421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The spelling of 4742811336421 in words is "four trillion, seven hundred forty-two billion, eight hundred eleven million, three hundred thirty-six thousand, four hundred twenty-one".