520469392149 has 48 divisors (see below), whose sum is σ = 922541218560. Its totient is φ = 275973788160.

The previous prime is 520469392147. The next prime is 520469392187. The reversal of 520469392149 is 941293964025.

520469392149 is a `hidden beast` number, since 5 + 2 + 0 + 469 + 39 + 2 + 149 = 666.

It is not a de Polignac number, because 520469392149 - 2¹ = 520469392147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520469392095 and 520469392104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520469392147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3346254 + ... + 3498335.

It is an arithmetic number, because the mean of its divisors is an integer number (19219608720).

Almost surely, 2^520469392149 is an apocalyptic number.

It is an amenable number.

520469392149 is a deficient number, since it is larger than the sum of its proper divisors (402071826411).

520469392149 is a wasteful number, since it uses less digits than its factorization.

520469392149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844690 (or 6844687 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 520469392149 in words is "five hundred twenty billion, four hundred sixty-nine million, three hundred ninety-two thousand, one hundred forty-nine".