2068478529 has 16 divisors (see below), whose sum is σ = 3126446400. Its totient is φ = 1205914176.

The previous prime is 2068478509. The next prime is 2068478551. The reversal of 2068478529 is 9258748602.

It is not a de Polignac number, because 2068478529 - 2⁵ = 2068478497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2068478509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394994 + ... + 1396475.

It is an arithmetic number, because the mean of its divisors is an integer number (195402900).

Almost surely, 2^2068478529 is an apocalyptic number.

It is an amenable number.

2068478529 is a deficient number, since it is larger than the sum of its proper divisors (1057967871).

2068478529 is a wasteful number, since it uses less digits than its factorization.

2068478529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791504.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 2068478529 is about 45480.5291196134. The cubic root of 2068478529 is about 1274.1395766513.

The spelling of 2068478529 in words is "two billion, sixty-eight million, four hundred seventy-eight thousand, five hundred twenty-nine".