501343900819 has 8 divisors (see below), whose sum is σ = 506061831168. Its totient is φ = 496626572040.

The previous prime is 501343900801. The next prime is 501343900873. The reversal of 501343900819 is 918009343105.

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

It is a cyclic number.

It is not a de Polignac number, because 501343900819 - 2⁵ = 501343900787 is a prime.

It is a super-3 number, since 3×501343900819³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (501343900879) 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, 1622014 + ... + 1906204.

It is an arithmetic number, because the mean of its divisors is an integer number (63257728896).

Almost surely, 2^501343900819 is an apocalyptic number.

501343900819 is a deficient number, since it is larger than the sum of its proper divisors (4717930349).

501343900819 is a wasteful number, since it uses less digits than its factorization.

501343900819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300785.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 501343900819 in words is "five hundred one billion, three hundred forty-three million, nine hundred thousand, eight hundred nineteen".