2898188642 has 24 divisors (see below), whose sum is σ = 4413754800. Its totient is φ = 1427217528.

The previous prime is 2898188621. The next prime is 2898188647. The reversal of 2898188642 is 2468818982.

It is not an unprimeable number, because it can be changed into a prime (2898188647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6916709 + ... + 6917127.

It is an arithmetic number, because the mean of its divisors is an integer number (183906450).

Almost surely, 2^2898188642 is an apocalyptic number.

2898188642 is a deficient number, since it is larger than the sum of its proper divisors (1515566158).

2898188642 is a wasteful number, since it uses less digits than its factorization.

2898188642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 739 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 56.

The square root of 2898188642 is about 53834.8274075435. The cubic root of 2898188642 is about 1425.7461801710.

The spelling of 2898188642 in words is "two billion, eight hundred ninety-eight million, one hundred eighty-eight thousand, six hundred forty-two".