3345442547 has 2 divisors, whose sum is σ = 3345442548. Its totient is φ = 3345442546.

The previous prime is 3345442543. The next prime is 3345442553. The reversal of 3345442547 is 7452445433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3345442547 - 2² = 3345442543 is a prime.

It is a super-2 number, since 2×3345442547² = 22383971670555694418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3345442543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672721273 + 1672721274.

It is an arithmetic number, because the mean of its divisors is an integer number (1672721274).

Almost surely, 2^3345442547 is an apocalyptic number.

3345442547 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345442547 is an equidigital number, since it uses as much as digits as its factorization.

3345442547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 41.

The square root of 3345442547 is about 57839.8007171532. The cubic root of 3345442547 is about 1495.6082724423.

The spelling of 3345442547 in words is "three billion, three hundred forty-five million, four hundred forty-two thousand, five hundred forty-seven".