2171000893479 has 8 divisors (see below), whose sum is σ = 3157819481472. Its totient is φ = 1315758117240.

The previous prime is 2171000893471. The next prime is 2171000893513. The reversal of 2171000893479 is 9743980001712.

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

It is not a de Polignac number, because 2171000893479 - 2³ = 2171000893471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171000893471) 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, 32893952899 + ... + 32893952964.

It is an arithmetic number, because the mean of its divisors is an integer number (394727435184).

Almost surely, 2^{2171000893479} is an apocalyptic number.

2171000893479 is a deficient number, since it is larger than the sum of its proper divisors (986818587993).

2171000893479 is a wasteful number, since it uses less digits than its factorization.

2171000893479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65787905877.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 2171000893479 in words is "two trillion, one hundred seventy-one billion, eight hundred ninety-three thousand, four hundred seventy-nine".