506726057532137 has 4 divisors (see below), whose sum is σ = 506726915938116. Its totient is φ = 506725199126160.

The previous prime is 506726057532119. The next prime is 506726057532199. The reversal of 506726057532137 is 731235750627605.

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 312118507599376 + 194607549932761 = 17666876^2 + 13950181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506726057532137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506726057552137) 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, 428316914 + ... + 429498347.

It is an arithmetic number, because the mean of its divisors is an integer number (126681728984529).

Almost surely, 2^{506726057532137} is an apocalyptic number.

It is an amenable number.

506726057532137 is a deficient number, since it is larger than the sum of its proper divisors (858405979).

506726057532137 is an equidigital number, since it uses as much as digits as its factorization.

506726057532137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858405978.

The product of its (nonzero) digits is 55566000, while the sum is 59.

The spelling of 506726057532137 in words is "five hundred six trillion, seven hundred twenty-six billion, fifty-seven million, five hundred thirty-two thousand, one hundred thirty-seven".