10000650421 has 2 divisors, whose sum is σ = 10000650422. Its totient is φ = 10000650420.

The previous prime is 10000650389. The next prime is 10000650449. The reversal of 10000650421 is 12405600001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7402709521 + 2597940900 = 86039^2 + 50970^2 .

It is an emirp because it is prime and its reverse (12405600001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10000650421 - 2⁵ = 10000650389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000654421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000325210 + 5000325211.

It is an arithmetic number, because the mean of its divisors is an integer number (5000325211).

Almost surely, 2^10000650421 is an apocalyptic number.

It is an amenable number.

10000650421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000650421 is an equidigital number, since it uses as much as digits as its factorization.

10000650421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The spelling of 10000650421 in words is "ten billion, six hundred fifty thousand, four hundred twenty-one".