2729379864 has 64 divisors (see below), whose sum is σ = 7010841600. Its totient is φ = 885042944.

The previous prime is 2729379859. The next prime is 2729379883. The reversal of 2729379864 is 4689739272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181132 + ... + 195620.

It is an arithmetic number, because the mean of its divisors is an integer number (109544400).

Almost surely, 2^2729379864 is an apocalyptic number.

2729379864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2729379864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3505420800).

2729379864 is an abundant number, since it is smaller than the sum of its proper divisors (4281461736).

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

2729379864 is a wasteful number, since it uses less digits than its factorization.

2729379864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14712 (or 14708 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The square root of 2729379864 is about 52243.4671896879. The cubic root of 2729379864 is about 1397.5091532859.

The spelling of 2729379864 in words is "two billion, seven hundred twenty-nine million, three hundred seventy-nine thousand, eight hundred sixty-four".