2646729712 has 20 divisors (see below), whose sum is σ = 5594224536. Its totient is φ = 1203058880.

The previous prime is 2646729691. The next prime is 2646729739. The reversal of 2646729712 is 2179276462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7518943 + ... + 7519294.

Almost surely, 2^2646729712 is an apocalyptic number.

2646729712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2646729712 is an abundant number, since it is smaller than the sum of its proper divisors (2947494824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2646729712 is a wasteful number, since it uses less digits than its factorization.

2646729712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15038256 (or 15038250 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 2646729712 is about 51446.3770541717. The cubic root of 2646729712 is about 1383.2580222157.

The spelling of 2646729712 in words is "two billion, six hundred forty-six million, seven hundred twenty-nine thousand, seven hundred twelve".