505214431064 has 16 divisors (see below), whose sum is σ = 1082602352400. Its totient is φ = 216520470432.

The previous prime is 505214431039. The next prime is 505214431069. The reversal of 505214431064 is 460134412505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505214431069) 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, 4510843079 + ... + 4510843190.

It is an arithmetic number, because the mean of its divisors is an integer number (67662647025).

Almost surely, 2^505214431064 is an apocalyptic number.

It is an amenable number.

505214431064 is an abundant number, since it is smaller than the sum of its proper divisors (577387921336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505214431064 is a wasteful number, since it uses less digits than its factorization.

505214431064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9021686282 (or 9021686278 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 505214431064 its reverse (460134412505), we get a palindrome (965348843569).

The spelling of 505214431064 in words is "five hundred five billion, two hundred fourteen million, four hundred thirty-one thousand, sixty-four".