2546772791 has 4 divisors (see below), whose sum is σ = 2628926784. Its totient is φ = 2464618800.

The previous prime is 2546772731. The next prime is 2546772803. The reversal of 2546772791 is 1972776452.

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 2546772791 - 2³⁰ = 1473030967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546772731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41076950 + ... + 41077011.

It is an arithmetic number, because the mean of its divisors is an integer number (657231696).

Almost surely, 2^2546772791 is an apocalyptic number.

2546772791 is a deficient number, since it is larger than the sum of its proper divisors (82153993).

2546772791 is an equidigital number, since it uses as much as digits as its factorization.

2546772791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82153992.

The product of its digits is 1481760, while the sum is 50.

The square root of 2546772791 is about 50465.5604447231. The cubic root of 2546772791 is about 1365.6206243603.

The spelling of 2546772791 in words is "two billion, five hundred forty-six million, seven hundred seventy-two thousand, seven hundred ninety-one".