2280147428261 has 4 divisors (see below), whose sum is σ = 2379284272992. Its totient is φ = 2181010583532.

The previous prime is 2280147428213. The next prime is 2280147428309. The reversal of 2280147428261 is 1628247410822.

It is a happy number.

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 (2280147428213) and next prime (2280147428309).

It is a cyclic number.

It is not a de Polignac number, because 2280147428261 - 2²⁶ = 2280080319397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280147428561) 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, 49568422331 + ... + 49568422376.

It is an arithmetic number, because the mean of its divisors is an integer number (594821068248).

Almost surely, 2^{2280147428261} is an apocalyptic number.

It is an amenable number.

2280147428261 is a deficient number, since it is larger than the sum of its proper divisors (99136844731).

2280147428261 is an equidigital number, since it uses as much as digits as its factorization.

2280147428261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99136844730.

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 2280147428261 in words is "two trillion, two hundred eighty billion, one hundred forty-seven million, four hundred twenty-eight thousand, two hundred sixty-one".