2729689508 has 24 divisors (see below), whose sum is σ = 5879332032. Its totient is φ = 1079877024.

The previous prime is 2729689481. The next prime is 2729689561. The reversal of 2729689508 is 8059869272.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3749210 + ... + 3749937.

It is an arithmetic number, because the mean of its divisors is an integer number (244972168).

Almost surely, 2^2729689508 is an apocalyptic number.

2729689508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2729689508 is an abundant number, since it is smaller than the sum of its proper divisors (3149642524).

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

2729689508 is a wasteful number, since it uses less digits than its factorization.

2729689508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499171 (or 7499169 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 2729689508 is about 52246.4305766432. The cubic root of 2729689508 is about 1397.5619997178.

The spelling of 2729689508 in words is "two billion, seven hundred twenty-nine million, six hundred eighty-nine thousand, five hundred eight".