506013402461 has 4 divisors (see below), whose sum is σ = 578301031392. Its totient is φ = 433725773532.

The previous prime is 506013402439. The next prime is 506013402523. The reversal of 506013402461 is 164204310605.

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, and also an emirpimes, since its reverse is a distinct semiprime: 164204310605 = 5 ⋅32840862121.

It is a cyclic number.

It is not a de Polignac number, because 506013402461 - 2³⁴ = 488833533277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506013402431) 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, 36143814455 + ... + 36143814468.

It is an arithmetic number, because the mean of its divisors is an integer number (144575257848).

Almost surely, 2^506013402461 is an apocalyptic number.

It is an amenable number.

506013402461 is a deficient number, since it is larger than the sum of its proper divisors (72287628931).

506013402461 is an equidigital number, since it uses as much as digits as its factorization.

506013402461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72287628930.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 506013402461 in words is "five hundred six billion, thirteen million, four hundred two thousand, four hundred sixty-one".