253743270547 has 16 divisors (see below), whose sum is σ = 281314288192. Its totient is φ = 227352666240.

The previous prime is 253743270533. The next prime is 253743270589. The reversal of 253743270547 is 745072347352.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253743270547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253743270547.

It is not an unprimeable number, because it can be changed into a prime (253743270527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424023 + ... + 829024.

It is an arithmetic number, because the mean of its divisors is an integer number (17582143012).

Almost surely, 2^253743270547 is an apocalyptic number.

253743270547 is a deficient number, since it is larger than the sum of its proper divisors (27571017645).

253743270547 is a wasteful number, since it uses less digits than its factorization.

253743270547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253518.

The product of its (nonzero) digits is 4939200, while the sum is 49.

The spelling of 253743270547 in words is "two hundred fifty-three billion, seven hundred forty-three million, two hundred seventy thousand, five hundred forty-seven".