2801765668 has 24 divisors (see below), whose sum is σ = 5409041400. Its totient is φ = 1261582080.

The previous prime is 2801765653. The next prime is 2801765683. The reversal of 2801765668 is 8665671082.

It is an interprime number because it is at equal distance from previous prime (2801765653) and next prime (2801765683).

It can be written as a sum of positive squares in 4 ways, for example, as 53699584 + 2748066084 = 7328^2 + 52422^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654943 + ... + 659206.

It is an arithmetic number, because the mean of its divisors is an integer number (225376725).

Almost surely, 2^2801765668 is an apocalyptic number.

It is an amenable number.

2801765668 is a deficient number, since it is larger than the sum of its proper divisors (2607275732).

2801765668 is a wasteful number, since it uses less digits than its factorization.

2801765668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314207 (or 1314205 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 2801765668 is about 52931.7075862852. The cubic root of 2801765668 is about 1409.7559505852.

The spelling of 2801765668 in words is "two billion, eight hundred one million, seven hundred sixty-five thousand, six hundred sixty-eight".