2541377789 has 4 divisors (see below), whose sum is σ = 2541645120. Its totient is φ = 2541110460.

The previous prime is 2541377771. The next prime is 2541377809. The reversal of 2541377789 is 9877731452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2541377789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541377789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541377759) 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, 118859 + ... + 138600.

It is an arithmetic number, because the mean of its divisors is an integer number (635411280).

Almost surely, 2^2541377789 is an apocalyptic number.

It is an amenable number.

2541377789 is a deficient number, since it is larger than the sum of its proper divisors (267331).

2541377789 is an equidigital number, since it uses as much as digits as its factorization.

2541377789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267330.

The product of its digits is 2963520, while the sum is 53.

The square root of 2541377789 is about 50412.0797924466. The cubic root of 2541377789 is about 1364.6556469669.

The spelling of 2541377789 in words is "two billion, five hundred forty-one million, three hundred seventy-seven thousand, seven hundred eighty-nine".