253425432434 has 8 divisors (see below), whose sum is σ = 380150706540. Its totient is φ = 126708530256.

The previous prime is 253425432391. The next prime is 253425432473. The reversal of 253425432434 is 434234524352.

253425432434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 250705497025 + 2719935409 = 500705^2 + 52153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 253425432391 and 253425432400.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2016749 + ... + 2138720.

Almost surely, 2^253425432434 is an apocalyptic number.

253425432434 is a deficient number, since it is larger than the sum of its proper divisors (126725274106).

253425432434 is a wasteful number, since it uses less digits than its factorization.

253425432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185964.

The product of its digits is 1382400, while the sum is 41.

Adding to 253425432434 its reverse (434234524352), we get a palindrome (687659956786).

The spelling of 253425432434 in words is "two hundred fifty-three billion, four hundred twenty-five million, four hundred thirty-two thousand, four hundred thirty-four".