473721752729 has 2 divisors, whose sum is σ = 473721752730. Its totient is φ = 473721752728.

The previous prime is 473721752653. The next prime is 473721752797. The reversal of 473721752729 is 927257127374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363416065600 + 110305687129 = 602840^2 + 332123^2 .

It is a cyclic number.

It is not a de Polignac number, because 473721752729 - 2²⁰ = 473720704153 is a prime.

It is not a weakly prime, because it can be changed into another prime (473721752129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236860876364 + 236860876365.

It is an arithmetic number, because the mean of its divisors is an integer number (236860876365).

Almost surely, 2^473721752729 is an apocalyptic number.

It is an amenable number.

473721752729 is a deficient number, since it is larger than the sum of its proper divisors (1).

473721752729 is an equidigital number, since it uses as much as digits as its factorization.

473721752729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10372320, while the sum is 56.

The spelling of 473721752729 in words is "four hundred seventy-three billion, seven hundred twenty-one million, seven hundred fifty-two thousand, seven hundred twenty-nine".