503043660442461 has 32 divisors (see below), whose sum is σ = 698325409936000. Its totient is φ = 321811927824384.

The previous prime is 503043660442439. The next prime is 503043660442493. The reversal of 503043660442461 is 164244066340305.

It is not a de Polignac number, because 503043660442461 - 2¹¹ = 503043660440413 is a prime.

It is a super-2 number, since 2×503043660442461² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 503043660442461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503043660442061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154362066 + ... + 157587228.

It is an arithmetic number, because the mean of its divisors is an integer number (21822669060500).

Almost surely, 2^{503043660442461} is an apocalyptic number.

It is an amenable number.

503043660442461 is a deficient number, since it is larger than the sum of its proper divisors (195281749493539).

503043660442461 is a wasteful number, since it uses less digits than its factorization.

503043660442461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244525.

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 503043660442461 in words is "five hundred three trillion, forty-three billion, six hundred sixty million, four hundred forty-two thousand, four hundred sixty-one".