21072500483 has 2 divisors, whose sum is σ = 21072500484. Its totient is φ = 21072500482.

The previous prime is 21072500473. The next prime is 21072500489. The reversal of 21072500483 is 38400527012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21072500483 - 2⁶ = 21072500419 is a prime.

It is not a weakly prime, because it can be changed into another prime (21072500489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10536250241 + 10536250242.

It is an arithmetic number, because the mean of its divisors is an integer number (10536250242).

Almost surely, 2^21072500483 is an apocalyptic number.

21072500483 is a deficient number, since it is larger than the sum of its proper divisors (1).

21072500483 is an equidigital number, since it uses as much as digits as its factorization.

21072500483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 21072500483 in words is "twenty-one billion, seventy-two million, five hundred thousand, four hundred eighty-three".