8029741821 has 16 divisors (see below), whose sum is σ = 11263233600. Its totient is φ = 5080963328.

The previous prime is 8029741817. The next prime is 8029741849. The reversal of 8029741821 is 1281479208.

It is not a de Polignac number, because 8029741821 - 2² = 8029741817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8029741021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777036 + ... + 787301.

It is an arithmetic number, because the mean of its divisors is an integer number (703952100).

Almost surely, 2^8029741821 is an apocalyptic number.

It is an amenable number.

8029741821 is a deficient number, since it is larger than the sum of its proper divisors (3233491779).

8029741821 is a wasteful number, since it uses less digits than its factorization.

8029741821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564428.

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 8029741821 is about 89608.8266913478. The cubic root of 8029741821 is about 2002.4754199673.

The spelling of 8029741821 in words is "eight billion, twenty-nine million, seven hundred forty-one thousand, eight hundred twenty-one".