2768099905491 has 12 divisors (see below), whose sum is σ = 3822457423512. Its totient is φ = 1781765454784.

The previous prime is 2768099905379. The next prime is 2768099905499. The reversal of 2768099905491 is 1945099908672.

It is not a de Polignac number, because 2768099905491 - 2¹⁵ = 2768099872723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2768099905499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548570586 + ... + 548575631.

It is an arithmetic number, because the mean of its divisors is an integer number (318538118626).

Almost surely, 2^{2768099905491} is an apocalyptic number.

2768099905491 is a deficient number, since it is larger than the sum of its proper divisors (1054357518021).

2768099905491 is a wasteful number, since it uses less digits than its factorization.

2768099905491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097146278 (or 1097146249 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 69.

The spelling of 2768099905491 in words is "two trillion, seven hundred sixty-eight billion, ninety-nine million, nine hundred five thousand, four hundred ninety-one".