2281373644775 has 6 divisors (see below), whose sum is σ = 2828903319552. Its totient is φ = 1825098915800.

The previous prime is 2281373644751. The next prime is 2281373644783. The reversal of 2281373644775 is 5774463731822.

It is a happy number.

It is not a de Polignac number, because 2281373644775 - 2¹⁶ = 2281373579239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45627472871 + ... + 45627472920.

It is an arithmetic number, because the mean of its divisors is an integer number (471483886592).

Almost surely, 2^{2281373644775} is an apocalyptic number.

2281373644775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2281373644775 is a deficient number, since it is larger than the sum of its proper divisors (547529674777).

2281373644775 is an equidigital number, since it uses as much as digits as its factorization.

2281373644775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91254945801 (or 91254945796 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 59.

The spelling of 2281373644775 in words is "two trillion, two hundred eighty-one billion, three hundred seventy-three million, six hundred forty-four thousand, seven hundred seventy-five".