471721501373 has 2 divisors, whose sum is σ = 471721501374. Its totient is φ = 471721501372.

The previous prime is 471721501369. The next prime is 471721501409. The reversal of 471721501373 is 373105127174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 458311398169 + 13410103204 = 676987^2 + 115802^2 .

It is a cyclic number.

It is not a de Polignac number, because 471721501373 - 2² = 471721501369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 471721501373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471721521373) 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, 235860750686 + 235860750687.

It is an arithmetic number, because the mean of its divisors is an integer number (235860750687).

Almost surely, 2^471721501373 is an apocalyptic number.

It is an amenable number.

471721501373 is a deficient number, since it is larger than the sum of its proper divisors (1).

471721501373 is an equidigital number, since it uses as much as digits as its factorization.

471721501373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 471721501373 in words is "four hundred seventy-one billion, seven hundred twenty-one million, five hundred one thousand, three hundred seventy-three".