506616436541 has 4 divisors (see below), whose sum is σ = 506988676284. Its totient is φ = 506244196800.

The previous prime is 506616436537. The next prime is 506616436559. The reversal of 506616436541 is 145634616605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107639767225 + 398976669316 = 328085^2 + 631646^2 .

It is a cyclic number.

It is not a de Polignac number, because 506616436541 - 2² = 506616436537 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 (506616436141) 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, 186117830 + ... + 186120551.

It is an arithmetic number, because the mean of its divisors is an integer number (126747169071).

Almost surely, 2^506616436541 is an apocalyptic number.

It is an amenable number.

506616436541 is a deficient number, since it is larger than the sum of its proper divisors (372239743).

506616436541 is a wasteful number, since it uses less digits than its factorization.

506616436541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372239742.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 506616436541 in words is "five hundred six billion, six hundred sixteen million, four hundred thirty-six thousand, five hundred forty-one".