2800232661 has 4 divisors (see below), whose sum is σ = 3733643552. Its totient is φ = 1866821772.

The previous prime is 2800232651. The next prime is 2800232671. The reversal of 2800232661 is 1662320082.

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 an interprime number because it is at equal distance from previous prime (2800232651) and next prime (2800232671).

It is not a de Polignac number, because 2800232661 - 2⁵ = 2800232629 is a prime.

It is a super-3 number, since 3×2800232661³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800232651) 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, 466705441 + ... + 466705446.

It is an arithmetic number, because the mean of its divisors is an integer number (933410888).

Almost surely, 2^2800232661 is an apocalyptic number.

It is an amenable number.

2800232661 is a deficient number, since it is larger than the sum of its proper divisors (933410891).

2800232661 is an equidigital number, since it uses as much as digits as its factorization.

2800232661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933410890.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2800232661 is about 52917.2246154312. The cubic root of 2800232661 is about 1409.4987841787.

The spelling of 2800232661 in words is "two billion, eight hundred million, two hundred thirty-two thousand, six hundred sixty-one".