2634378223 has 2 divisors, whose sum is σ = 2634378224. Its totient is φ = 2634378222.

The previous prime is 2634378193. The next prime is 2634378277. The reversal of 2634378223 is 3228734362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2634378223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2634378023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317189111 + 1317189112.

It is an arithmetic number, because the mean of its divisors is an integer number (1317189112).

Almost surely, 2^2634378223 is an apocalyptic number.

2634378223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634378223 is an equidigital number, since it uses as much as digits as its factorization.

2634378223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 40.

The square root of 2634378223 is about 51326.1943163527. The cubic root of 2634378223 is about 1381.1029170438.

The spelling of 2634378223 in words is "two billion, six hundred thirty-four million, three hundred seventy-eight thousand, two hundred twenty-three".