501354120441 has 4 divisors (see below), whose sum is σ = 668472160592. Its totient is φ = 334236080292.

The previous prime is 501354120437. The next prime is 501354120457. The reversal of 501354120441 is 144021453105.

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 not a de Polignac number, because 501354120441 - 2² = 501354120437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501354120399 and 501354120408.

It is not an unprimeable number, because it can be changed into a prime (501354120461) 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, 83559020071 + ... + 83559020076.

It is an arithmetic number, because the mean of its divisors is an integer number (167118040148).

Almost surely, 2^501354120441 is an apocalyptic number.

It is an amenable number.

501354120441 is a deficient number, since it is larger than the sum of its proper divisors (167118040151).

501354120441 is a wasteful number, since it uses less digits than its factorization.

501354120441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167118040150.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 501354120441 its reverse (144021453105), we get a palindrome (645375573546).

The spelling of 501354120441 in words is "five hundred one billion, three hundred fifty-four million, one hundred twenty thousand, four hundred forty-one".