91211143413 has 8 divisors (see below), whose sum is σ = 130969847008. Its totient is φ = 56129934384.

The previous prime is 91211143399. The next prime is 91211143423. The reversal of 91211143413 is 31434111219.

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

It is not a de Polignac number, because 91211143413 - 2⁵ = 91211143381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91211143423) 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, 1169373595 + ... + 1169373672.

It is an arithmetic number, because the mean of its divisors is an integer number (16371230876).

Almost surely, 2^91211143413 is an apocalyptic number.

It is an amenable number.

91211143413 is a deficient number, since it is larger than the sum of its proper divisors (39758703595).

91211143413 is a wasteful number, since it uses less digits than its factorization.

91211143413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338747283.

The product of its digits is 2592, while the sum is 30.

The spelling of 91211143413 in words is "ninety-one billion, two hundred eleven million, one hundred forty-three thousand, four hundred thirteen".