2798349642 has 24 divisors (see below), whose sum is σ = 6614281440. Its totient is φ = 847984680.

The previous prime is 2798349637. The next prime is 2798349643. The reversal of 2798349642 is 2469438972.

2798349642 is a `hidden beast` number, since 2 + 79 + 83 + 496 + 4 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2798349643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7066342 + ... + 7066737.

It is an arithmetic number, because the mean of its divisors is an integer number (275595060).

Almost surely, 2^2798349642 is an apocalyptic number.

2798349642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2798349642 is an abundant number, since it is smaller than the sum of its proper divisors (3815931798).

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

2798349642 is a wasteful number, since it uses less digits than its factorization.

2798349642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14133098 (or 14133095 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 2798349642 is about 52899.4295054304. The cubic root of 2798349642 is about 1409.1827737544.

The spelling of 2798349642 in words is "two billion, seven hundred ninety-eight million, three hundred forty-nine thousand, six hundred forty-two".