3642257347 has 2 divisors, whose sum is σ = 3642257348. Its totient is φ = 3642257346.

The previous prime is 3642257279. The next prime is 3642257371. The reversal of 3642257347 is 7437522463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3642257347 - 2⁷ = 3642257219 is a prime.

It is not a weakly prime, because it can be changed into another prime (3642257147) 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, 1821128673 + 1821128674.

It is an arithmetic number, because the mean of its divisors is an integer number (1821128674).

Almost surely, 2^3642257347 is an apocalyptic number.

3642257347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642257347 is an equidigital number, since it uses as much as digits as its factorization.

3642257347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 43.

The square root of 3642257347 is about 60351.1171976128. The cubic root of 3642257347 is about 1538.5922575697.

The spelling of 3642257347 in words is "three billion, six hundred forty-two million, two hundred fifty-seven thousand, three hundred forty-seven".