2073423727021 has 2 divisors, whose sum is σ = 2073423727022. Its totient is φ = 2073423727020.

The previous prime is 2073423727019. The next prime is 2073423727061. The reversal of 2073423727021 is 1207273243702.

It is an a-pointer prime, because the next prime (2073423727061) can be obtained adding 2073423727021 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1895013794025 + 178409932996 = 1376595^2 + 422386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2073423727021 - 2¹ = 2073423727019 is a prime.

Together with 2073423727019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2073423727061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036711863510 + 1036711863511.

It is an arithmetic number, because the mean of its divisors is an integer number (1036711863511).

Almost surely, 2^{2073423727021} is an apocalyptic number.

It is an amenable number.

2073423727021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2073423727021 is an equidigital number, since it uses as much as digits as its factorization.

2073423727021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 40.

The spelling of 2073423727021 in words is "two trillion, seventy-three billion, four hundred twenty-three million, seven hundred twenty-seven thousand, twenty-one".