2198989742 has 8 divisors (see below), whose sum is σ = 3329311896. Its totient is φ = 1089219112.

The previous prime is 2198989739. The next prime is 2198989753. The reversal of 2198989742 is 2479898912.

2198989742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5137613 + ... + 5138040.

It is an arithmetic number, because the mean of its divisors is an integer number (416163987).

Almost surely, 2^2198989742 is an apocalyptic number.

2198989742 is a deficient number, since it is larger than the sum of its proper divisors (1130322154).

2198989742 is a wasteful number, since it uses less digits than its factorization.

2198989742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275762.

The product of its digits is 5225472, while the sum is 59.

The square root of 2198989742 is about 46893.3869751375. The cubic root of 2198989742 is about 1300.3923356259.

The spelling of 2198989742 in words is "two billion, one hundred ninety-eight million, nine hundred eighty-nine thousand, seven hundred forty-two".