2063117905 has 16 divisors (see below), whose sum is σ = 2522941200. Its totient is φ = 1619170560.

The previous prime is 2063117899. The next prime is 2063117923. The reversal of 2063117905 is 5097113602.

It can be written as a sum of positive squares in 8 ways, for example, as 379821121 + 1683296784 = 19489^2 + 41028^2 .

It is not a de Polignac number, because 2063117905 - 2⁹ = 2063117393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109951 + ... + 127339.

It is an arithmetic number, because the mean of its divisors is an integer number (157683825).

Almost surely, 2^2063117905 is an apocalyptic number.

It is an amenable number.

2063117905 is a deficient number, since it is larger than the sum of its proper divisors (459823295).

2063117905 is a wasteful number, since it uses less digits than its factorization.

2063117905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17844.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 2063117905 is about 45421.5577121701. The cubic root of 2063117905 is about 1273.0379469710.

The spelling of 2063117905 in words is "two billion, sixty-three million, one hundred seventeen thousand, nine hundred five".