21745700882203 has 2 divisors, whose sum is σ = 21745700882204. Its totient is φ = 21745700882202.

The previous prime is 21745700882197. The next prime is 21745700882251. The reversal of 21745700882203 is 30228800754712.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21745700882203 is a prime.

It is a super-4 number, since 4×21745700882203⁴ (a number of 54 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (21745700882603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10872850441101 + 10872850441102.

It is an arithmetic number, because the mean of its divisors is an integer number (10872850441102).

Almost surely, 2^{21745700882203} is an apocalyptic number.

21745700882203 is a deficient number, since it is larger than the sum of its proper divisors (1).

21745700882203 is an equidigital number, since it uses as much as digits as its factorization.

21745700882203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 21745700882203 in words is "twenty-one trillion, seven hundred forty-five billion, seven hundred million, eight hundred eighty-two thousand, two hundred three".