2988347111491 has 4 divisors (see below), whose sum is σ = 3415253841712. Its totient is φ = 2561440381272.

The previous prime is 2988347111483. The next prime is 2988347111569. The reversal of 2988347111491 is 1941117438892.

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 2988347111491 - 2³ = 2988347111483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2988347111401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213453365100 + ... + 213453365113.

It is an arithmetic number, because the mean of its divisors is an integer number (853813460428).

Almost surely, 2^{2988347111491} is an apocalyptic number.

2988347111491 is a deficient number, since it is larger than the sum of its proper divisors (426906730221).

2988347111491 is an equidigital number, since it uses as much as digits as its factorization.

2988347111491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426906730220.

The product of its digits is 3483648, while the sum is 58.

The spelling of 2988347111491 in words is "two trillion, nine hundred eighty-eight billion, three hundred forty-seven million, one hundred eleven thousand, four hundred ninety-one".