10212567643 has 2 divisors, whose sum is σ = 10212567644. Its totient is φ = 10212567642.

The previous prime is 10212567619. The next prime is 10212567679. The reversal of 10212567643 is 34676521201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212567643 - 2⁵ = 10212567611 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212567613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106283821 + 5106283822.

It is an arithmetic number, because the mean of its divisors is an integer number (5106283822).

Almost surely, 2^10212567643 is an apocalyptic number.

10212567643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212567643 is an equidigital number, since it uses as much as digits as its factorization.

10212567643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 10212567643 in words is "ten billion, two hundred twelve million, five hundred sixty-seven thousand, six hundred forty-three".