10221643403 has 2 divisors, whose sum is σ = 10221643404. Its totient is φ = 10221643402.

The previous prime is 10221643349. The next prime is 10221643409. The reversal of 10221643403 is 30434612201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10221643403 - 2²⁴ = 10204866187 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221643409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110821701 + 5110821702.

It is an arithmetic number, because the mean of its divisors is an integer number (5110821702).

Almost surely, 2^10221643403 is an apocalyptic number.

10221643403 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221643403 is an equidigital number, since it uses as much as digits as its factorization.

10221643403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 10221643403 in words is "ten billion, two hundred twenty-one million, six hundred forty-three thousand, four hundred three".