3197454643 has 2 divisors, whose sum is σ = 3197454644. Its totient is φ = 3197454642.

The previous prime is 3197454619. The next prime is 3197454661. The reversal of 3197454643 is 3464547913.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3197454643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3197454593 and 3197454602.

It is not a weakly prime, because it can be changed into another prime (3197454343) 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, 1598727321 + 1598727322.

It is an arithmetic number, because the mean of its divisors is an integer number (1598727322).

Almost surely, 2^3197454643 is an apocalyptic number.

3197454643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3197454643 is an equidigital number, since it uses as much as digits as its factorization.

3197454643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 46.

The square root of 3197454643 is about 56546.0400293425. The cubic root of 3197454643 is about 1473.2217801753.

The spelling of 3197454643 in words is "three billion, one hundred ninety-seven million, four hundred fifty-four thousand, six hundred forty-three".