21095368694093 has 16 divisors (see below), whose sum is σ = 23512356648000. Its totient is φ = 18809100340992.

The previous prime is 21095368694089. The next prime is 21095368694119. The reversal of 21095368694093 is 39049686359012.

It is a cyclic number.

It is not a de Polignac number, because 21095368694093 - 2² = 21095368694089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21095368694693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15409163 + ... + 16722231.

It is an arithmetic number, because the mean of its divisors is an integer number (1469522290500).

Almost surely, 2^{21095368694093} is an apocalyptic number.

It is an amenable number.

21095368694093 is a deficient number, since it is larger than the sum of its proper divisors (2416987953907).

21095368694093 is a wasteful number, since it uses less digits than its factorization.

21095368694093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362844.

The product of its (nonzero) digits is 75582720, while the sum is 65.

The spelling of 21095368694093 in words is "twenty-one trillion, ninety-five billion, three hundred sixty-eight million, six hundred ninety-four thousand, ninety-three".