475244619523 has 2 divisors, whose sum is σ = 475244619524. Its totient is φ = 475244619522.

The previous prime is 475244619481. The next prime is 475244619527. The reversal of 475244619523 is 325916442574.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475244619523 is a prime.

It is a super-2 number, since 2×475244619523² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (475244619527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237622309761 + 237622309762.

It is an arithmetic number, because the mean of its divisors is an integer number (237622309762).

Almost surely, 2^475244619523 is an apocalyptic number.

475244619523 is a deficient number, since it is larger than the sum of its proper divisors (1).

475244619523 is an equidigital number, since it uses as much as digits as its factorization.

475244619523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 52.

The spelling of 475244619523 in words is "four hundred seventy-five billion, two hundred forty-four million, six hundred nineteen thousand, five hundred twenty-three".