505425350253421 has 16 divisors (see below), whose sum is σ = 545997223739968. Its totient is φ = 465095584800000.

The previous prime is 505425350253419. The next prime is 505425350253457. The reversal of 505425350253421 is 124352053524505.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 505425350253421 - 2¹ = 505425350253419 is a prime.

It is a super-5 number, since 5×505425350253421⁵ (a number of 75 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505425350250421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43193125 + ... + 53632981.

It is an arithmetic number, because the mean of its divisors is an integer number (34124826483748).

Almost surely, 2^{505425350253421} is an apocalyptic number.

It is an amenable number.

505425350253421 is a deficient number, since it is larger than the sum of its proper divisors (40571873486547).

505425350253421 is a wasteful number, since it uses less digits than its factorization.

505425350253421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10451452.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 505425350253421 in words is "five hundred five trillion, four hundred twenty-five billion, three hundred fifty million, two hundred fifty-three thousand, four hundred twenty-one".