505246605645 has 16 divisors (see below), whose sum is σ = 808410597120. Its totient is φ = 269459513664.

The previous prime is 505246605641. The next prime is 505246605649. The reversal of 505246605645 is 546506642505.

It is an interprime number because it is at equal distance from previous prime (505246605641) and next prime (505246605649).

It is not a de Polignac number, because 505246605645 - 2² = 505246605641 is a prime.

It is a super-3 number, since 3×505246605645³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505246605594 and 505246605603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505246605641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517947 + ... + 1130823.

It is an arithmetic number, because the mean of its divisors is an integer number (50525662320).

Almost surely, 2^505246605645 is an apocalyptic number.

It is an amenable number.

505246605645 is a deficient number, since it is larger than the sum of its proper divisors (303163991475).

505246605645 is a wasteful number, since it uses less digits than its factorization.

505246605645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667844.

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 505246605645 in words is "five hundred five billion, two hundred forty-six million, six hundred five thousand, six hundred forty-five".