505997193005 has 16 divisors (see below), whose sum is σ = 643412217024. Its totient is φ = 380690929920.

The previous prime is 505997192993. The next prime is 505997193029. The reversal of 505997193005 is 500391799505.

It is not a de Polignac number, because 505997193005 - 2¹² = 505997188909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2195807 + ... + 2415276.

It is an arithmetic number, because the mean of its divisors is an integer number (40213263564).

Almost surely, 2^505997193005 is an apocalyptic number.

It is an amenable number.

505997193005 is a deficient number, since it is larger than the sum of its proper divisors (137415024019).

505997193005 is a wasteful number, since it uses less digits than its factorization.

505997193005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612396.

The product of its (nonzero) digits is 1913625, while the sum is 53.

The spelling of 505997193005 in words is "five hundred five billion, nine hundred ninety-seven million, one hundred ninety-three thousand, five".