2765818494 has 64 divisors (see below), whose sum is σ = 6550087680. Its totient is φ = 863074080.

The previous prime is 2765818493. The next prime is 2765818501. The reversal of 2765818494 is 4948185672.

It is a happy number.

2765818494 is a `hidden beast` number, since 2 + 76 + 5 + 81 + 8 + 494 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2765818494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765818493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34684 + ... + 82064.

It is an arithmetic number, because the mean of its divisors is an integer number (102345120).

Almost surely, 2^2765818494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2765818494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3275043840).

2765818494 is an abundant number, since it is smaller than the sum of its proper divisors (3784269186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2765818494 is a wasteful number, since it uses less digits than its factorization.

2765818494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47462 (or 47456 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 2765818494 is about 52591.0495616887. The cubic root of 2765818494 is about 1403.7008366169.

The spelling of 2765818494 in words is "two billion, seven hundred sixty-five million, eight hundred eighteen thousand, four hundred ninety-four".