2102698646 has 8 divisors (see below), whose sum is σ = 3154862520. Its totient is φ = 1051077808.

The previous prime is 2102698639. The next prime is 2102698649. The reversal of 2102698646 is 6468962012.

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

It is a junction number, because it is equal to n+sod(n) for n = 2102698597 and 2102698606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102698649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125936 + ... + 141651.

It is an arithmetic number, because the mean of its divisors is an integer number (394357815).

Almost surely, 2^2102698646 is an apocalyptic number.

2102698646 is a deficient number, since it is larger than the sum of its proper divisors (1052163874).

2102698646 is a wasteful number, since it uses less digits than its factorization.

2102698646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271518.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2102698646 is about 45855.1921378594. The cubic root of 2102698646 is about 1281.1274746018.

The spelling of 2102698646 in words is "two billion, one hundred two million, six hundred ninety-eight thousand, six hundred forty-six".