2281351478871 has 4 divisors (see below), whose sum is σ = 3041801971832. Its totient is φ = 1520900985912.

The previous prime is 2281351478851. The next prime is 2281351478881. The reversal of 2281351478871 is 1788741531822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2281351478871 - 2⁷ = 2281351478743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2281351478801) 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, 380225246476 + ... + 380225246481.

It is an arithmetic number, because the mean of its divisors is an integer number (760450492958).

Almost surely, 2^{2281351478871} is an apocalyptic number.

2281351478871 is a deficient number, since it is larger than the sum of its proper divisors (760450492961).

2281351478871 is an equidigital number, since it uses as much as digits as its factorization.

2281351478871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760450492960.

The product of its digits is 6021120, while the sum is 57.

The spelling of 2281351478871 in words is "two trillion, two hundred eighty-one billion, three hundred fifty-one million, four hundred seventy-eight thousand, eight hundred seventy-one".