2101678298 has 4 divisors (see below), whose sum is σ = 3152517450. Its totient is φ = 1050839148.

The previous prime is 2101678283. The next prime is 2101678303. The reversal of 2101678298 is 8928761012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1452600769 + 649077529 = 38113^2 + 25477^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525419573 + ... + 525419576.

Almost surely, 2^2101678298 is an apocalyptic number.

2101678298 is a deficient number, since it is larger than the sum of its proper divisors (1050839152).

2101678298 is a wasteful number, since it uses less digits than its factorization.

2101678298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050839151.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 2101678298 is about 45844.0650248208. The cubic root of 2101678298 is about 1280.9202159665.

The spelling of 2101678298 in words is "two billion, one hundred one million, six hundred seventy-eight thousand, two hundred ninety-eight".