471618957091 has 2 divisors, whose sum is σ = 471618957092. Its totient is φ = 471618957090.

The previous prime is 471618957079. The next prime is 471618957097. The reversal of 471618957091 is 190759816174.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 471618957091 - 2⁹ = 471618956579 is a prime.

It is not a weakly prime, because it can be changed into another prime (471618957097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235809478545 + 235809478546.

It is an arithmetic number, because the mean of its divisors is an integer number (235809478546).

Almost surely, 2^471618957091 is an apocalyptic number.

471618957091 is a deficient number, since it is larger than the sum of its proper divisors (1).

471618957091 is an equidigital number, since it uses as much as digits as its factorization.

471618957091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 58.

The spelling of 471618957091 in words is "four hundred seventy-one billion, six hundred eighteen million, nine hundred fifty-seven thousand, ninety-one".