2100646996396 has 72 divisors (see below), whose sum is σ = 4174341000480. Its totient is φ = 923273455104.

The previous prime is 2100646996363. The next prime is 2100646996397. The reversal of 2100646996396 is 6936996460012.

It is not an unprimeable number, because it can be changed into a prime (2100646996397) 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 23 ways as a sum of consecutive naturals, for example, 697161 + ... + 2165023.

It is an arithmetic number, because the mean of its divisors is an integer number (57976958340).

Almost surely, 2^{2100646996396} is an apocalyptic number.

2100646996396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2100646996396 is a deficient number, since it is larger than the sum of its proper divisors (2073694004084).

2100646996396 is a wasteful number, since it uses less digits than its factorization.

2100646996396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467995 (or 1467980 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 61.

The spelling of 2100646996396 in words is "two trillion, one hundred billion, six hundred forty-six million, nine hundred ninety-six thousand, three hundred ninety-six".