2101849402 has 8 divisors (see below), whose sum is σ = 3165335712. Its totient is φ = 1046737500.

The previous prime is 2101849391. The next prime is 2101849403. The reversal of 2101849402 is 2049481012.

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

It is not an unprimeable number, because it can be changed into a prime (2101849403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2092974 + ... + 2093977.

It is an arithmetic number, because the mean of its divisors is an integer number (395666964).

Almost surely, 2^2101849402 is an apocalyptic number.

2101849402 is a deficient number, since it is larger than the sum of its proper divisors (1063486310).

2101849402 is a wasteful number, since it uses less digits than its factorization.

2101849402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187204.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2101849402 is about 45845.9311389790. The cubic root of 2101849402 is about 1280.9549762222.

The spelling of 2101849402 in words is "two billion, one hundred one million, eight hundred forty-nine thousand, four hundred two".