505226643156249 has 16 divisors (see below), whose sum is σ = 769897230926208. Its totient is φ = 288690416295552.

The previous prime is 505226643156217. The next prime is 505226643156281. The reversal of 505226643156249 is 942651346622505.

It is an interprime number because it is at equal distance from previous prime (505226643156217) and next prime (505226643156281).

It is not a de Polignac number, because 505226643156249 - 2⁵ = 505226643156217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505226643156192 and 505226643156201.

It is not an unprimeable number, because it can be changed into a prime (505226643156289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437853892 + ... + 439006245.

It is an arithmetic number, because the mean of its divisors is an integer number (48118576932888).

Almost surely, 2^{505226643156249} is an apocalyptic number.

It is an amenable number.

505226643156249 is a deficient number, since it is larger than the sum of its proper divisors (264670587769959).

505226643156249 is a wasteful number, since it uses less digits than its factorization.

505226643156249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876887584.

The product of its (nonzero) digits is 93312000, while the sum is 60.

The spelling of 505226643156249 in words is "five hundred five trillion, two hundred twenty-six billion, six hundred forty-three million, one hundred fifty-six thousand, two hundred forty-nine".