506431613403 has 6 divisors (see below), whose sum is σ = 731512330484. Its totient is φ = 337621075596.

The previous prime is 506431613393. The next prime is 506431613477. The reversal of 506431613403 is 304316134605.

506431613403 is a `hidden beast` number, since 5 + 0 + 6 + 4 + 31 + 613 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 506431613403 - 2⁵ = 506431613371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506431613483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28135089625 + ... + 28135089642.

Almost surely, 2^506431613403 is an apocalyptic number.

506431613403 is a deficient number, since it is larger than the sum of its proper divisors (225080717081).

506431613403 is a wasteful number, since it uses less digits than its factorization.

506431613403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56270179273 (or 56270179270 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 506431613403 in words is "five hundred six billion, four hundred thirty-one million, six hundred thirteen thousand, four hundred three".