2859461877749 has 4 divisors (see below), whose sum is σ = 2859487445760. Its totient is φ = 2859436309740.

The previous prime is 2859461877743. The next prime is 2859461877751. The reversal of 2859461877749 is 9477781649582.

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-2859461877749 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 2859461877749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859461877743) 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, 12615509 + ... + 12840170.

It is an arithmetic number, because the mean of its divisors is an integer number (714871861440).

Almost surely, 2^{2859461877749} is an apocalyptic number.

It is an amenable number.

2859461877749 is a deficient number, since it is larger than the sum of its proper divisors (25568011).

2859461877749 is a wasteful number, since it uses less digits than its factorization.

2859461877749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25568010.

The product of its digits is 1706987520, while the sum is 77.

The spelling of 2859461877749 in words is "two trillion, eight hundred fifty-nine billion, four hundred sixty-one million, eight hundred seventy-seven thousand, seven hundred forty-nine".