471675007561 has 2 divisors, whose sum is σ = 471675007562. Its totient is φ = 471675007560.

The previous prime is 471675007501. The next prime is 471675007567. The reversal of 471675007561 is 165700576174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470788099600 + 886907961 = 686140^2 + 29781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471675007561 is a prime.

It is not a weakly prime, because it can be changed into another prime (471675007567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235837503780 + 235837503781.

It is an arithmetic number, because the mean of its divisors is an integer number (235837503781).

Almost surely, 2^471675007561 is an apocalyptic number.

It is an amenable number.

471675007561 is a deficient number, since it is larger than the sum of its proper divisors (1).

471675007561 is an equidigital number, since it uses as much as digits as its factorization.

471675007561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 471675007561 in words is "four hundred seventy-one billion, six hundred seventy-five million, seven thousand, five hundred sixty-one".