21514274603 has 2 divisors, whose sum is σ = 21514274604. Its totient is φ = 21514274602.

The previous prime is 21514274591. The next prime is 21514274611. The reversal of 21514274603 is 30647241512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21514274603 - 2¹² = 21514270507 is a prime.

It is not a weakly prime, because it can be changed into another prime (21514274633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10757137301 + 10757137302.

It is an arithmetic number, because the mean of its divisors is an integer number (10757137302).

Almost surely, 2^21514274603 is an apocalyptic number.

21514274603 is a deficient number, since it is larger than the sum of its proper divisors (1).

21514274603 is an equidigital number, since it uses as much as digits as its factorization.

21514274603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 21514274603 in words is "twenty-one billion, five hundred fourteen million, two hundred seventy-four thousand, six hundred three".