253341342646 has 8 divisors (see below), whose sum is σ = 434299444560. Its totient is φ = 108574861128.

The previous prime is 253341342629. The next prime is 253341342647. The reversal of 253341342646 is 646243143352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253341342647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9047905081 + ... + 9047905108.

It is an arithmetic number, because the mean of its divisors is an integer number (54287430570).

Almost surely, 2^253341342646 is an apocalyptic number.

253341342646 is a deficient number, since it is larger than the sum of its proper divisors (180958101914).

253341342646 is a wasteful number, since it uses less digits than its factorization.

253341342646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18095810198.

The product of its digits is 1244160, while the sum is 43.

Adding to 253341342646 its reverse (646243143352), we get a palindrome (899584485998).

The spelling of 253341342646 in words is "two hundred fifty-three billion, three hundred forty-one million, three hundred forty-two thousand, six hundred forty-six".