2101656363 has 32 divisors (see below), whose sum is σ = 2902314240. Its totient is φ = 1352173440.

The previous prime is 2101656283. The next prime is 2101656409. The reversal of 2101656363 is 3636561012.

It is not a de Polignac number, because 2101656363 - 2⁸ = 2101656107 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2101656163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2718445 + ... + 2719217.

It is an arithmetic number, because the mean of its divisors is an integer number (90697320).

Almost surely, 2^2101656363 is an apocalyptic number.

2101656363 is a deficient number, since it is larger than the sum of its proper divisors (800657877).

2101656363 is a wasteful number, since it uses less digits than its factorization.

2101656363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 2101656363 is about 45843.8257893034. The cubic root of 2101656363 is about 1280.9157596736.

The spelling of 2101656363 in words is "two billion, one hundred one million, six hundred fifty-six thousand, three hundred sixty-three".