2729398798834 has 16 divisors (see below), whose sum is σ = 4122049118400. Its totient is φ = 1355386100400.

The previous prime is 2729398798817. The next prime is 2729398798879. The reversal of 2729398798834 is 4388978939272.

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, 573717 + ... + 2405815.

It is an arithmetic number, because the mean of its divisors is an integer number (257628069900).

Almost surely, 2^{2729398798834} is an apocalyptic number.

2729398798834 is a deficient number, since it is larger than the sum of its proper divisors (1392650319566).

2729398798834 is a wasteful number, since it uses less digits than its factorization.

2729398798834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837185.

The product of its digits is 2633637888, while the sum is 79.

The spelling of 2729398798834 in words is "two trillion, seven hundred twenty-nine billion, three hundred ninety-eight million, seven hundred ninety-eight thousand, eight hundred thirty-four".