3271542649 has 2 divisors, whose sum is σ = 3271542650. Its totient is φ = 3271542648.

The previous prime is 3271542629. The next prime is 3271542653. The reversal of 3271542649 is 9462451723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2437199424 + 834343225 = 49368^2 + 28885^2 .

It is a cyclic number.

It is not a de Polignac number, because 3271542649 - 2⁹ = 3271542137 is a prime.

It is not a weakly prime, because it can be changed into another prime (3271542629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1635771324 + 1635771325.

It is an arithmetic number, because the mean of its divisors is an integer number (1635771325).

Almost surely, 2^3271542649 is an apocalyptic number.

It is an amenable number.

3271542649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3271542649 is an equidigital number, since it uses as much as digits as its factorization.

3271542649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 3271542649 is about 57197.4007189138. The cubic root of 3271542649 is about 1484.5136505872.

The spelling of 3271542649 in words is "three billion, two hundred seventy-one million, five hundred forty-two thousand, six hundred forty-nine".