505420133453 has 8 divisors (see below), whose sum is σ = 527540577408. Its totient is φ = 483311827504.

The previous prime is 505420133429. The next prime is 505420133473. The reversal of 505420133453 is 354331024505.

It is a happy number.

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 505420133453 - 2⁶ = 505420133389 is a prime.

It is a super-2 number, since 2×505420133453² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505420133473) 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, 2949350 + ... + 3116007.

It is an arithmetic number, because the mean of its divisors is an integer number (65942572176).

Almost surely, 2^505420133453 is an apocalyptic number.

It is an amenable number.

505420133453 is a deficient number, since it is larger than the sum of its proper divisors (22120443955).

505420133453 is a wasteful number, since it uses less digits than its factorization.

505420133453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069003.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 505420133453 its reverse (354331024505), we get a palindrome (859751157958).

The spelling of 505420133453 in words is "five hundred five billion, four hundred twenty million, one hundred thirty-three thousand, four hundred fifty-three".