471947497523 has 2 divisors, whose sum is σ = 471947497524. Its totient is φ = 471947497522.

The previous prime is 471947497477. The next prime is 471947497529. The reversal of 471947497523 is 325794749174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 471947497523 - 2¹² = 471947493427 is a prime.

It is a super-2 number, since 2×471947497523² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (471947497529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235973748761 + 235973748762.

It is an arithmetic number, because the mean of its divisors is an integer number (235973748762).

Almost surely, 2^471947497523 is an apocalyptic number.

471947497523 is a deficient number, since it is larger than the sum of its proper divisors (1).

471947497523 is an equidigital number, since it uses as much as digits as its factorization.

471947497523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53343360, while the sum is 62.

The spelling of 471947497523 in words is "four hundred seventy-one billion, nine hundred forty-seven million, four hundred ninety-seven thousand, five hundred twenty-three".