3356421247 has 2 divisors, whose sum is σ = 3356421248. Its totient is φ = 3356421246.

The previous prime is 3356421223. The next prime is 3356421251. The reversal of 3356421247 is 7421246533.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3356421247 - 2¹⁹ = 3355896959 is a prime.

It is a super-2 number, since 2×3356421247² = 22531127174626070018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3356421217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1678210623 + 1678210624.

It is an arithmetic number, because the mean of its divisors is an integer number (1678210624).

Almost surely, 2^3356421247 is an apocalyptic number.

3356421247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3356421247 is an equidigital number, since it uses as much as digits as its factorization.

3356421247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 3356421247 is about 57934.6290831313. The cubic root of 3356421247 is about 1497.2425261463.

The spelling of 3356421247 in words is "three billion, three hundred fifty-six million, four hundred twenty-one thousand, two hundred forty-seven".