1703371700021 has 2 divisors, whose sum is σ = 1703371700022. Its totient is φ = 1703371700020.

The previous prime is 1703371699993. The next prime is 1703371700029. The reversal of 1703371700021 is 1200071733071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1249836797521 + 453534902500 = 1117961^2 + 673450^2 .

It is a cyclic number.

It is not a de Polignac number, because 1703371700021 - 2¹⁰ = 1703371698997 is a prime.

It is a super-2 number, since 2×1703371700021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1703371700029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851685850010 + 851685850011.

It is an arithmetic number, because the mean of its divisors is an integer number (851685850011).

Almost surely, 2^{1703371700021} is an apocalyptic number.

It is an amenable number.

1703371700021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1703371700021 is an equidigital number, since it uses as much as digits as its factorization.

1703371700021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174, while the sum is 32.

The spelling of 1703371700021 in words is "one trillion, seven hundred three billion, three hundred seventy-one million, seven hundred thousand, twenty-one".