2662046830891 has 4 divisors (see below), whose sum is σ = 3042339235312. Its totient is φ = 2281754426472.

The previous prime is 2662046830823. The next prime is 2662046830897. The reversal of 2662046830891 is 1980386402662.

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 2662046830891 - 2³⁷ = 2524607877419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2662046830897) 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, 190146202200 + ... + 190146202213.

It is an arithmetic number, because the mean of its divisors is an integer number (760584808828).

Almost surely, 2^{2662046830891} is an apocalyptic number.

2662046830891 is a deficient number, since it is larger than the sum of its proper divisors (380292404421).

2662046830891 is an equidigital number, since it uses as much as digits as its factorization.

2662046830891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380292404420.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 2662046830891 in words is "two trillion, six hundred sixty-two billion, forty-six million, eight hundred thirty thousand, eight hundred ninety-one".