506378890029 has 4 divisors (see below), whose sum is σ = 675171853376. Its totient is φ = 337585926684.

The previous prime is 506378890021. The next prime is 506378890049. The reversal of 506378890029 is 920098873605.

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 506378890029 - 2³ = 506378890021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506378890021) 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, 84396481669 + ... + 84396481674.

It is an arithmetic number, because the mean of its divisors is an integer number (168792963344).

Almost surely, 2^506378890029 is an apocalyptic number.

It is an amenable number.

506378890029 is a deficient number, since it is larger than the sum of its proper divisors (168792963347).

506378890029 is a wasteful number, since it uses less digits than its factorization.

506378890029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168792963346.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 506378890029 in words is "five hundred six billion, three hundred seventy-eight million, eight hundred ninety thousand, twenty-nine".