3379722821 has 2 divisors, whose sum is σ = 3379722822. Its totient is φ = 3379722820.

The previous prime is 3379722817. The next prime is 3379722823. The reversal of 3379722821 is 1282279733.

3379722821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3358202500 + 21520321 = 57950^2 + 4639^2 .

It is a cyclic number.

It is not a de Polignac number, because 3379722821 - 2² = 3379722817 is a prime.

It is a super-2 number, since 2×3379722821² = 22845052693576396082, which contains 22 as substring.

Together with 3379722823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3379722823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1689861410 + 1689861411.

It is an arithmetic number, because the mean of its divisors is an integer number (1689861411).

Almost surely, 2^3379722821 is an apocalyptic number.

It is an amenable number.

3379722821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3379722821 is an equidigital number, since it uses as much as digits as its factorization.

3379722821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 3379722821 is about 58135.3835542521. The cubic root of 3379722821 is about 1500.6993510732.

The spelling of 3379722821 in words is "three billion, three hundred seventy-nine million, seven hundred twenty-two thousand, eight hundred twenty-one".