253467734549 has 2 divisors, whose sum is σ = 253467734550. Its totient is φ = 253467734548.

The previous prime is 253467734489. The next prime is 253467734567. The reversal of 253467734549 is 945437764352.

253467734549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239639620900 + 13828113649 = 489530^2 + 117593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253467734549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253467794549) 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, 126733867274 + 126733867275.

It is an arithmetic number, because the mean of its divisors is an integer number (126733867275).

Almost surely, 2^253467734549 is an apocalyptic number.

It is an amenable number.

253467734549 is a deficient number, since it is larger than the sum of its proper divisors (1).

253467734549 is an equidigital number, since it uses as much as digits as its factorization.

253467734549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76204800, while the sum is 59.

The spelling of 253467734549 in words is "two hundred fifty-three billion, four hundred sixty-seven million, seven hundred thirty-four thousand, five hundred forty-nine".