21140005593893 has 8 divisors (see below), whose sum is σ = 21328106738400. Its totient is φ = 20952309405040.

The previous prime is 21140005593887. The next prime is 21140005593899. The reversal of 21140005593893 is 39839550004112.

It is an interprime number because it is at equal distance from previous prime (21140005593887) and next prime (21140005593899).

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

It is a cyclic number.

It is not a de Polignac number, because 21140005593893 - 2⁴ = 21140005593877 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 (21140005593899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101134043 + ... + 101342856.

It is an arithmetic number, because the mean of its divisors is an integer number (2666013342300).

Almost surely, 2^{21140005593893} is an apocalyptic number.

It is an amenable number.

21140005593893 is a deficient number, since it is larger than the sum of its proper divisors (188101144507).

21140005593893 is a wasteful number, since it uses less digits than its factorization.

21140005593893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202477827.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 21140005593893 in words is "twenty-one trillion, one hundred forty billion, five million, five hundred ninety-three thousand, eight hundred ninety-three".