503740727386 has 8 divisors (see below), whose sum is σ = 813735021204. Its totient is φ = 232495720320.

The previous prime is 503740727383. The next prime is 503740727387. The reversal of 503740727386 is 683727047305.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 503647121761 + 93605625 = 709681^2 + 9675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (503740727383) 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, 9687321655 + ... + 9687321706.

Almost surely, 2^503740727386 is an apocalyptic number.

503740727386 is a deficient number, since it is larger than the sum of its proper divisors (309994293818).

503740727386 is a wasteful number, since it uses less digits than its factorization.

503740727386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19374643376.

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 503740727386 in words is "five hundred three billion, seven hundred forty million, seven hundred twenty-seven thousand, three hundred eighty-six".