10300021009 has 2 divisors, whose sum is σ = 10300021010. Its totient is φ = 10300021008.

The previous prime is 10300021003. The next prime is 10300021073. The reversal of 10300021009 is 90012000301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10298190400 + 1830609 = 101480^2 + 1353^2 .

It is a cyclic number.

It is not a de Polignac number, because 10300021009 - 2¹¹ = 10300018961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10300020983 and 10300021001.

It is not a weakly prime, because it can be changed into another prime (10300021003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5150010504 + 5150010505.

It is an arithmetic number, because the mean of its divisors is an integer number (5150010505).

Almost surely, 2^10300021009 is an apocalyptic number.

It is an amenable number.

10300021009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10300021009 is an equidigital number, since it uses as much as digits as its factorization.

10300021009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The spelling of 10300021009 in words is "ten billion, three hundred million, twenty-one thousand, nine".