501740142540443 has 8 divisors (see below), whose sum is σ = 503253372738480. Its totient is φ = 500227056645120.

The previous prime is 501740142540437. The next prime is 501740142540473. The reversal of 501740142540443 is 344045241047105.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501740142540443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501740142540394 and 501740142540403.

It is not an unprimeable number, because it can be changed into a prime (501740142540473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29109173 + ... + 43021206.

It is an arithmetic number, because the mean of its divisors is an integer number (62906671592310).

Almost surely, 2^{501740142540443} is an apocalyptic number.

501740142540443 is a deficient number, since it is larger than the sum of its proper divisors (1513230198037).

501740142540443 is a wasteful number, since it uses less digits than its factorization.

501740142540443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72151357.

The product of its (nonzero) digits is 1075200, while the sum is 44.

Adding to 501740142540443 its reverse (344045241047105), we get a palindrome (845785383587548).

The spelling of 501740142540443 in words is "five hundred one trillion, seven hundred forty billion, one hundred forty-two million, five hundred forty thousand, four hundred forty-three".