234818745547 has 2 divisors, whose sum is σ = 234818745548. Its totient is φ = 234818745546.

The previous prime is 234818745523. The next prime is 234818745607. The reversal of 234818745547 is 745547818432.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234818745547 - 2²³ = 234810356939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234818745491 and 234818745500.

It is not a weakly prime, because it can be changed into another prime (234818745047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117409372773 + 117409372774.

It is an arithmetic number, because the mean of its divisors is an integer number (117409372774).

Almost surely, 2^234818745547 is an apocalyptic number.

234818745547 is a deficient number, since it is larger than the sum of its proper divisors (1).

234818745547 is an equidigital number, since it uses as much as digits as its factorization.

234818745547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30105600, while the sum is 58.

The spelling of 234818745547 in words is "two hundred thirty-four billion, eight hundred eighteen million, seven hundred forty-five thousand, five hundred forty-seven".