10021229639 has 2 divisors, whose sum is σ = 10021229640. Its totient is φ = 10021229638.

The previous prime is 10021229629. The next prime is 10021229677. The reversal of 10021229639 is 93692212001.

It is a weak prime.

It is an emirp because it is prime and its reverse (93692212001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10021229639 - 2⁴ = 10021229623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021229599 and 10021229608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021229629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010614819 + 5010614820.

It is an arithmetic number, because the mean of its divisors is an integer number (5010614820).

Almost surely, 2^10021229639 is an apocalyptic number.

10021229639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021229639 is an equidigital number, since it uses as much as digits as its factorization.

10021229639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 10021229639 in words is "ten billion, twenty-one million, two hundred twenty-nine thousand, six hundred thirty-nine".