503421652736742 has 16 divisors (see below), whose sum is σ = 1006844017985280. Its totient is φ = 167807098826952.

The previous prime is 503421652736741. The next prime is 503421652736747. The reversal of 503421652736742 is 247637256124305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503421652736741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20273242 + ... + 37654317.

It is an arithmetic number, because the mean of its divisors is an integer number (62927751124080).

Almost surely, 2^{503421652736742} is an apocalyptic number.

503421652736742 is an abundant number, since it is smaller than the sum of its proper divisors (503422365248538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503421652736742 is a wasteful number, since it uses less digits than its factorization.

503421652736742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59375987.

The product of its (nonzero) digits is 50803200, while the sum is 57.

The spelling of 503421652736742 in words is "five hundred three trillion, four hundred twenty-one billion, six hundred fifty-two million, seven hundred thirty-six thousand, seven hundred forty-two".