10849831021 has 2 divisors, whose sum is σ = 10849831022. Its totient is φ = 10849831020.

The previous prime is 10849830989. The next prime is 10849831033. The reversal of 10849831021 is 12013894801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9685315396 + 1164515625 = 98414^2 + 34125^2 .

It is a cyclic number.

It is not a de Polignac number, because 10849831021 - 2⁵ = 10849830989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10849831051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5424915510 + 5424915511.

It is an arithmetic number, because the mean of its divisors is an integer number (5424915511).

Almost surely, 2^10849831021 is an apocalyptic number.

It is an amenable number.

10849831021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10849831021 is an equidigital number, since it uses as much as digits as its factorization.

10849831021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 10849831021 in words is "ten billion, eight hundred forty-nine million, eight hundred thirty-one thousand, twenty-one".