2063890957 has 2 divisors, whose sum is σ = 2063890958. Its totient is φ = 2063890956.

The previous prime is 2063890919. The next prime is 2063891021. The reversal of 2063890957 is 7590983602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1732141161 + 331749796 = 41619^2 + 18214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063890957 - 2¹¹ = 2063888909 is a prime.

It is a super-3 number, since 3×2063890957³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2063890957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2063890057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031945478 + 1031945479.

It is an arithmetic number, because the mean of its divisors is an integer number (1031945479).

Almost surely, 2^2063890957 is an apocalyptic number.

It is an amenable number.

2063890957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063890957 is an equidigital number, since it uses as much as digits as its factorization.

2063890957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2063890957 is about 45430.0666629491. The cubic root of 2063890957 is about 1273.1969299092.

The spelling of 2063890957 in words is "two billion, sixty-three million, eight hundred ninety thousand, nine hundred fifty-seven".