891342261473 has 8 divisors (see below), whose sum is σ = 892595066688. Its totient is φ = 890089600624.

The previous prime is 891342261409. The next prime is 891342261547. The reversal of 891342261473 is 374162243198.

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 891342261473 - 2⁶ = 891342261409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (891342261373) 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, 20029115 + ... + 20073567.

It is an arithmetic number, because the mean of its divisors is an integer number (111574383336).

Almost surely, 2^891342261473 is an apocalyptic number.

It is an amenable number.

891342261473 is a deficient number, since it is larger than the sum of its proper divisors (1252805215).

891342261473 is a wasteful number, since it uses less digits than its factorization.

891342261473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72183.

The product of its digits is 1741824, while the sum is 50.

The spelling of 891342261473 in words is "eight hundred ninety-one billion, three hundred forty-two million, two hundred sixty-one thousand, four hundred seventy-three".