2800267291681 has 8 divisors (see below), whose sum is σ = 2969687781504. Its totient is φ = 2631368900160.

The previous prime is 2800267291673. The next prime is 2800267291693. The reversal of 2800267291681 is 1861927620082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2800267291681 - 2³ = 2800267291673 is a prime.

It is a super-2 number, since 2×2800267291681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2800267291621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130513525 + ... + 130534978.

It is an arithmetic number, because the mean of its divisors is an integer number (371210972688).

Almost surely, 2^{2800267291681} is an apocalyptic number.

It is an amenable number.

2800267291681 is a deficient number, since it is larger than the sum of its proper divisors (169420489823).

2800267291681 is a wasteful number, since it uses less digits than its factorization.

2800267291681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261049151.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 2800267291681 in words is "two trillion, eight hundred billion, two hundred sixty-seven million, two hundred ninety-one thousand, six hundred eighty-one".