2068736536 has 32 divisors (see below), whose sum is σ = 3986571600. Its totient is φ = 1005863040.

The previous prime is 2068736533. The next prime is 2068736573. The reversal of 2068736536 is 6356378602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068736531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65646 + ... + 91906.

Almost surely, 2^2068736536 is an apocalyptic number.

It is an amenable number.

2068736536 is a deficient number, since it is larger than the sum of its proper divisors (1917835064).

2068736536 is a wasteful number, since it uses less digits than its factorization.

2068736536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26539 (or 26535 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 46.

The square root of 2068736536 is about 45483.3654867359. The cubic root of 2068736536 is about 1274.1925500901.

The spelling of 2068736536 in words is "two billion, sixty-eight million, seven hundred thirty-six thousand, five hundred thirty-six".