891348513119 has 4 divisors (see below), whose sum is σ = 891492308400. Its totient is φ = 891204717840.

The previous prime is 891348513091. The next prime is 891348513161. The reversal of 891348513119 is 911315843198.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 891348513119 - 2²⁸ = 891080077663 is a prime.

It is a super-2 number, since 2×891348513119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891348513169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71888342 + ... + 71900739.

It is an arithmetic number, because the mean of its divisors is an integer number (222873077100).

Almost surely, 2^891348513119 is an apocalyptic number.

891348513119 is a deficient number, since it is larger than the sum of its proper divisors (143795281).

891348513119 is a wasteful number, since it uses less digits than its factorization.

891348513119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143795280.

The product of its digits is 933120, while the sum is 53.

The spelling of 891348513119 in words is "eight hundred ninety-one billion, three hundred forty-eight million, five hundred thirteen thousand, one hundred nineteen".