10230849721 has 2 divisors, whose sum is σ = 10230849722. Its totient is φ = 10230849720.

The previous prime is 10230849697. The next prime is 10230849757. The reversal of 10230849721 is 12794803201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9509175225 + 721674496 = 97515^2 + 26864^2 .

It is an emirp because it is prime and its reverse (12794803201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10230849721 - 2⁵ = 10230849689 is a prime.

It is not a weakly prime, because it can be changed into another prime (10230819721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115424860 + 5115424861.

It is an arithmetic number, because the mean of its divisors is an integer number (5115424861).

Almost surely, 2^10230849721 is an apocalyptic number.

It is an amenable number.

10230849721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10230849721 is an equidigital number, since it uses as much as digits as its factorization.

10230849721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 10230849721 in words is "ten billion, two hundred thirty million, eight hundred forty-nine thousand, seven hundred twenty-one".