73554952417 has 2 divisors, whose sum is σ = 73554952418. Its totient is φ = 73554952416.

The previous prime is 73554952397. The next prime is 73554952477. The reversal of 73554952417 is 71425945537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62660603041 + 10894349376 = 250321^2 + 104376^2 .

It is a cyclic number.

It is not a de Polignac number, because 73554952417 - 2¹¹ = 73554950369 is a prime.

It is not a weakly prime, because it can be changed into another prime (73554952477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36777476208 + 36777476209.

It is an arithmetic number, because the mean of its divisors is an integer number (36777476209).

Almost surely, 2^73554952417 is an apocalyptic number.

It is an amenable number.

73554952417 is a deficient number, since it is larger than the sum of its proper divisors (1).

73554952417 is an equidigital number, since it uses as much as digits as its factorization.

73554952417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292000, while the sum is 52.

The spelling of 73554952417 in words is "seventy-three billion, five hundred fifty-four million, nine hundred fifty-two thousand, four hundred seventeen".