27098402694 has 64 divisors (see below), whose sum is σ = 60760737792. Its totient is φ = 7984569600.

The previous prime is 27098402677. The next prime is 27098402707. The reversal of 27098402694 is 49620489072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5606859 + ... + 5611689.

It is an arithmetic number, because the mean of its divisors is an integer number (949386528).

Almost surely, 2^27098402694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27098402694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30380368896).

27098402694 is an abundant number, since it is smaller than the sum of its proper divisors (33662335098).

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

27098402694 is a wasteful number, since it uses less digits than its factorization.

27098402694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 27098402694 in words is "twenty-seven billion, ninety-eight million, four hundred two thousand, six hundred ninety-four".