604623633431 has 2 divisors, whose sum is σ = 604623633432. Its totient is φ = 604623633430.

The previous prime is 604623633413. The next prime is 604623633451. The reversal of 604623633431 is 134336326406.

Together with previous prime (604623633413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-604623633431 is a prime.

It is a super-4 number, since 4×604623633431⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604623633401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302311816715 + 302311816716.

It is an arithmetic number, because the mean of its divisors is an integer number (302311816716).

Almost surely, 2^604623633431 is an apocalyptic number.

604623633431 is a deficient number, since it is larger than the sum of its proper divisors (1).

604623633431 is an equidigital number, since it uses as much as digits as its factorization.

604623633431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 41.

Adding to 604623633431 its reverse (134336326406), we get a palindrome (738959959837).

The spelling of 604623633431 in words is "six hundred four billion, six hundred twenty-three million, six hundred thirty-three thousand, four hundred thirty-one".