6321462643 has 2 divisors, whose sum is σ = 6321462644. Its totient is φ = 6321462642.

The previous prime is 6321462613. The next prime is 6321462647. The reversal of 6321462643 is 3462641236.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6321462643 - 2⁹ = 6321462131 is a prime.

It is not a weakly prime, because it can be changed into another prime (6321462647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160731321 + 3160731322.

It is an arithmetic number, because the mean of its divisors is an integer number (3160731322).

Almost surely, 2^6321462643 is an apocalyptic number.

6321462643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6321462643 is an equidigital number, since it uses as much as digits as its factorization.

6321462643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The square root of 6321462643 is about 79507.6263197437. The cubic root of 6321462643 is about 1849.0097103709.

The spelling of 6321462643 in words is "six billion, three hundred twenty-one million, four hundred sixty-two thousand, six hundred forty-three".