21141300293 has 2 divisors, whose sum is σ = 21141300294. Its totient is φ = 21141300292.

The previous prime is 21141300259. The next prime is 21141300331. The reversal of 21141300293 is 39200314112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13023830884 + 8117469409 = 114122^2 + 90097^2 .

It is a cyclic number.

It is not a de Polignac number, because 21141300293 - 2¹⁴ = 21141283909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21141302293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10570650146 + 10570650147.

It is an arithmetic number, because the mean of its divisors is an integer number (10570650147).

Almost surely, 2^21141300293 is an apocalyptic number.

It is an amenable number.

21141300293 is a deficient number, since it is larger than the sum of its proper divisors (1).

21141300293 is an equidigital number, since it uses as much as digits as its factorization.

21141300293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 21141300293 in words is "twenty-one billion, one hundred forty-one million, three hundred thousand, two hundred ninety-three".