2673153378891 has 6 divisors (see below), whose sum is σ = 3861221547300. Its totient is φ = 1782102252588.

The previous prime is 2673153378887. The next prime is 2673153378899. The reversal of 2673153378891 is 1988733513762.

2673153378891 is a `hidden beast` number, since 2 + 6 + 7 + 3 + 1 + 533 + 7 + 8 + 8 + 91 = 666.

2673153378891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2673153378891 - 2² = 2673153378887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2673153378899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148508521041 + ... + 148508521058.

It is an arithmetic number, because the mean of its divisors is an integer number (643536924550).

Almost surely, 2^{2673153378891} is an apocalyptic number.

2673153378891 is a deficient number, since it is larger than the sum of its proper divisors (1188068168409).

2673153378891 is a wasteful number, since it uses less digits than its factorization.

2673153378891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297017042105 (or 297017042102 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 2673153378891 in words is "two trillion, six hundred seventy-three billion, one hundred fifty-three million, three hundred seventy-eight thousand, eight hundred ninety-one".