506863291398 has 32 divisors (see below), whose sum is σ = 1023820940160. Its totient is φ = 167278547520.

The previous prime is 506863291391. The next prime is 506863291411. The reversal of 506863291398 is 893192368605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506863291391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501948 + ... + 1125023.

It is an arithmetic number, because the mean of its divisors is an integer number (31994404380).

Almost surely, 2^506863291398 is an apocalyptic number.

506863291398 is an abundant number, since it is smaller than the sum of its proper divisors (516957648762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506863291398 is a wasteful number, since it uses less digits than its factorization.

506863291398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627492.

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 506863291398 in words is "five hundred six billion, eight hundred sixty-three million, two hundred ninety-one thousand, three hundred ninety-eight".