506442351525122 has 8 divisors (see below), whose sum is σ = 759667696473036. Its totient is φ = 253219786034112.

The previous prime is 506442351525119. The next prime is 506442351525139. The reversal of 506442351525122 is 221525153244605.

It can be written as a sum of positive squares in 2 ways, for example, as 502935836865361 + 3506514659761 = 22426231^2 + 1872569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×506442351525122² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694408643 + ... + 695137574.

Almost surely, 2^{506442351525122} is an apocalyptic number.

506442351525122 is a deficient number, since it is larger than the sum of its proper divisors (253225344947914).

506442351525122 is a wasteful number, since it uses less digits than its factorization.

506442351525122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389728452.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 506442351525122 in words is "five hundred six trillion, four hundred forty-two billion, three hundred fifty-one million, five hundred twenty-five thousand, one hundred twenty-two".