253414332340421 has 8 divisors (see below), whose sum is σ = 289961572172160. Its totient is φ = 216953390597328.

The previous prime is 253414332340391. The next prime is 253414332340423. The reversal of 253414332340421 is 124043233414352.

It is a happy number.

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

It is not a de Polignac number, because 253414332340421 - 2¹⁸ = 253414332078277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253414332340423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21574515866 + ... + 21574527611.

It is an arithmetic number, because the mean of its divisors is an integer number (36245196521520).

Almost surely, 2^{253414332340421} is an apocalyptic number.

It is an amenable number.

253414332340421 is a deficient number, since it is larger than the sum of its proper divisors (36547239831739).

253414332340421 is an equidigital number, since it uses as much as digits as its factorization.

253414332340421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43149044323.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 253414332340421 its reverse (124043233414352), we get a palindrome (377457565754773).

The spelling of 253414332340421 in words is "two hundred fifty-three trillion, four hundred fourteen billion, three hundred thirty-two million, three hundred forty thousand, four hundred twenty-one".