234278744653 has 2 divisors, whose sum is σ = 234278744654. Its totient is φ = 234278744652.

The previous prime is 234278744647. The next prime is 234278744677. The reversal of 234278744653 is 356447872432.

234278744653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195847847209 + 38430897444 = 442547^2 + 196038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234278744653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234278744594 and 234278744603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234278744153) 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, 117139372326 + 117139372327.

It is an arithmetic number, because the mean of its divisors is an integer number (117139372327).

Almost surely, 2^234278744653 is an apocalyptic number.

It is an amenable number.

234278744653 is a deficient number, since it is larger than the sum of its proper divisors (1).

234278744653 is an equidigital number, since it uses as much as digits as its factorization.

234278744653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 55.

The spelling of 234278744653 in words is "two hundred thirty-four billion, two hundred seventy-eight million, seven hundred forty-four thousand, six hundred fifty-three".