2039745164 has 6 divisors (see below), whose sum is σ = 3569554044. Its totient is φ = 1019872580.

The previous prime is 2039745157. The next prime is 2039745167. The reversal of 2039745164 is 4615479302.

It is a super-2 number, since 2×2039745164² = 8321120668122773792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2039745167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254968142 + ... + 254968149.

It is an arithmetic number, because the mean of its divisors is an integer number (594925674).

Almost surely, 2^2039745164 is an apocalyptic number.

It is an amenable number.

2039745164 is a deficient number, since it is larger than the sum of its proper divisors (1529808880).

2039745164 is a wasteful number, since it uses less digits than its factorization.

2039745164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509936295 (or 509936293 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2039745164 is about 45163.5379925001. The cubic root of 2039745164 is about 1268.2123284831.

The spelling of 2039745164 in words is "two billion, thirty-nine million, seven hundred forty-five thousand, one hundred sixty-four".