502144605453613 has 4 divisors (see below), whose sum is σ = 528573268898560. Its totient is φ = 475715942008668.

The previous prime is 502144605453599. The next prime is 502144605453643. The reversal of 502144605453613 is 316354506441205.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 502144605453613 - 2¹⁷ = 502144605322541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502144605453643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13214331722445 + ... + 13214331722482.

It is an arithmetic number, because the mean of its divisors is an integer number (132143317224640).

Almost surely, 2^{502144605453613} is an apocalyptic number.

It is an amenable number.

502144605453613 is a deficient number, since it is larger than the sum of its proper divisors (26428663444947).

502144605453613 is a wasteful number, since it uses less digits than its factorization.

502144605453613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26428663444946.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 502144605453613 in words is "five hundred two trillion, one hundred forty-four billion, six hundred five million, four hundred fifty-three thousand, six hundred thirteen".