2148255767 has 12 divisors (see below), whose sum is σ = 2591171856. Its totient is φ = 1744446240.

The previous prime is 2148255749. The next prime is 2148255793. The reversal of 2148255767 is 7675528412.

It is not a de Polignac number, because 2148255767 - 2¹⁸ = 2147993623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148255797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422534 + ... + 427587.

It is an arithmetic number, because the mean of its divisors is an integer number (215930988).

Almost surely, 2^2148255767 is an apocalyptic number.

2148255767 is a deficient number, since it is larger than the sum of its proper divisors (442916089).

2148255767 is an equidigital number, since it uses as much as digits as its factorization.

2148255767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850166 (or 850147 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The square root of 2148255767 is about 46349.2801130719. The cubic root of 2148255767 is about 1290.3137603879.

The spelling of 2148255767 in words is "two billion, one hundred forty-eight million, two hundred fifty-five thousand, seven hundred sixty-seven".