2190005071 has 2 divisors, whose sum is σ = 2190005072. Its totient is φ = 2190005070.

The previous prime is 2190005063. The next prime is 2190005117. The reversal of 2190005071 is 1705000912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2190005071 - 2³ = 2190005063 is a prime.

It is a super-2 number, since 2×2190005071² = 9592244422011430082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190005771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095002535 + 1095002536.

It is an arithmetic number, because the mean of its divisors is an integer number (1095002536).

Almost surely, 2^2190005071 is an apocalyptic number.

2190005071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190005071 is an equidigital number, since it uses as much as digits as its factorization.

2190005071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 2190005071 is about 46797.4900074780. The cubic root of 2190005071 is about 1298.6188627669.

Adding to 2190005071 its reverse (1705000912), we get a palindrome (3895005983).

The spelling of 2190005071 in words is "two billion, one hundred ninety million, five thousand, seventy-one".