17469974953 has 2 divisors, whose sum is σ = 17469974954. Its totient is φ = 17469974952.

The previous prime is 17469974933. The next prime is 17469975031. The reversal of 17469974953 is 35947996471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15846529689 + 1623445264 = 125883^2 + 40292^2 .

It is an emirp because it is prime and its reverse (35947996471) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17469974953 is a prime.

It is not a weakly prime, because it can be changed into another prime (17469974933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8734987476 + 8734987477.

It is an arithmetic number, because the mean of its divisors is an integer number (8734987477).

Almost surely, 2^17469974953 is an apocalyptic number.

It is an amenable number.

17469974953 is a deficient number, since it is larger than the sum of its proper divisors (1).

17469974953 is an equidigital number, since it uses as much as digits as its factorization.

17469974953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51438240, while the sum is 64.

The spelling of 17469974953 in words is "seventeen billion, four hundred sixty-nine million, nine hundred seventy-four thousand, nine hundred fifty-three".