253442142205 has 8 divisors (see below), whose sum is σ = 347577795072. Its totient is φ = 173788897488.

The previous prime is 253442142197. The next prime is 253442142221. The reversal of 253442142205 is 502241244352.

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

It is a cyclic number.

It is not a de Polignac number, because 253442142205 - 2³ = 253442142197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620601997 + ... + 3620602066.

It is an arithmetic number, because the mean of its divisors is an integer number (43447224384).

Almost surely, 2^253442142205 is an apocalyptic number.

It is an amenable number.

253442142205 is a deficient number, since it is larger than the sum of its proper divisors (94135652867).

253442142205 is an equidigital number, since it uses as much as digits as its factorization.

253442142205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241204075.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 253442142205 its reverse (502241244352), we get a palindrome (755683386557).

The spelling of 253442142205 in words is "two hundred fifty-three billion, four hundred forty-two million, one hundred forty-two thousand, two hundred five".