505480969599 has 64 divisors (see below), whose sum is σ = 729469255680. Its totient is φ = 310705925760.

The previous prime is 505480969579. The next prime is 505480969619. The reversal of 505480969599 is 995969084505.

It is an interprime number because it is at equal distance from previous prime (505480969579) and next prime (505480969619).

It is not a de Polignac number, because 505480969599 - 2²¹ = 505478872447 is a prime.

It is a super-2 number, since 2×505480969599² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505480969579) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53389264 + ... + 53398730.

It is an arithmetic number, because the mean of its divisors is an integer number (11397957120).

Almost surely, 2^505480969599 is an apocalyptic number.

505480969599 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

505480969599 is a deficient number, since it is larger than the sum of its proper divisors (223988286081).

505480969599 is a wasteful number, since it uses less digits than its factorization.

505480969599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9860.

The product of its (nonzero) digits is 157464000, while the sum is 69.

The spelling of 505480969599 in words is "five hundred five billion, four hundred eighty million, nine hundred sixty-nine thousand, five hundred ninety-nine".