10217359891 has 2 divisors, whose sum is σ = 10217359892. Its totient is φ = 10217359890.

The previous prime is 10217359861. The next prime is 10217359927. The reversal of 10217359891 is 19895371201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10217359891 - 2¹⁵ = 10217327123 is a prime.

It is not a weakly prime, because it can be changed into another prime (10217359861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108679945 + 5108679946.

It is an arithmetic number, because the mean of its divisors is an integer number (5108679946).

Almost surely, 2^10217359891 is an apocalyptic number.

10217359891 is a deficient number, since it is larger than the sum of its proper divisors (1).

10217359891 is an equidigital number, since it uses as much as digits as its factorization.

10217359891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 10217359891 in words is "ten billion, two hundred seventeen million, three hundred fifty-nine thousand, eight hundred ninety-one".