2101442398 has 16 divisors (see below), whose sum is σ = 3453001200. Its totient is φ = 951235200.

The previous prime is 2101442383. The next prime is 2101442411. The reversal of 2101442398 is 8932441012.

It is a super-2 number, since 2×2101442398² = 8832120304223980808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192873 + ... + 203476.

It is an arithmetic number, because the mean of its divisors is an integer number (215812575).

Almost surely, 2^2101442398 is an apocalyptic number.

2101442398 is a deficient number, since it is larger than the sum of its proper divisors (1351558802).

2101442398 is a wasteful number, since it uses less digits than its factorization.

2101442398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396603.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2101442398 is about 45841.4921004978. The cubic root of 2101442398 is about 1280.8722891286.

The spelling of 2101442398 in words is "two billion, one hundred one million, four hundred forty-two thousand, three hundred ninety-eight".