475430899793623 has 2 divisors, whose sum is σ = 475430899793624. Its totient is φ = 475430899793622.

The previous prime is 475430899793621. The next prime is 475430899793651. The reversal of 475430899793623 is 326397998034574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 475430899793623 - 2¹ = 475430899793621 is a prime.

It is a super-2 number, since 2×475430899793623² (a number of 30 digits) contains 22 as substring.

Together with 475430899793621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475430899793621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237715449896811 + 237715449896812.

It is an arithmetic number, because the mean of its divisors is an integer number (237715449896812).

Almost surely, 2^{475430899793623} is an apocalyptic number.

475430899793623 is a deficient number, since it is larger than the sum of its proper divisors (1).

475430899793623 is an equidigital number, since it uses as much as digits as its factorization.

475430899793623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7407106560, while the sum is 79.

The spelling of 475430899793623 in words is "four hundred seventy-five trillion, four hundred thirty billion, eight hundred ninety-nine million, seven hundred ninety-three thousand, six hundred twenty-three".