10239021849 has 32 divisors (see below), whose sum is σ = 16289501184. Its totient is φ = 5593452480.

The previous prime is 10239021797. The next prime is 10239021887. The reversal of 10239021849 is 94812093201.

It is not a de Polignac number, because 10239021849 - 2¹² = 10239017753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10239029849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1111627 + ... + 1120799.

It is an arithmetic number, because the mean of its divisors is an integer number (509046912).

Almost surely, 2^10239021849 is an apocalyptic number.

It is an amenable number.

10239021849 is a deficient number, since it is larger than the sum of its proper divisors (6050479335).

10239021849 is a wasteful number, since it uses less digits than its factorization.

10239021849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 10239021849 in words is "ten billion, two hundred thirty-nine million, twenty-one thousand, eight hundred forty-nine".