461723907553 has 2 divisors, whose sum is σ = 461723907554. Its totient is φ = 461723907552.

The previous prime is 461723907539. The next prime is 461723907571. The reversal of 461723907553 is 355709327164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312382623744 + 149341283809 = 558912^2 + 386447^2 .

It is a cyclic number.

It is not a de Polignac number, because 461723907553 - 2⁵ = 461723907521 is a prime.

It is a super-2 number, since 2×461723907553² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 461723907553.

It is not a weakly prime, because it can be changed into another prime (461723907583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230861953776 + 230861953777.

It is an arithmetic number, because the mean of its divisors is an integer number (230861953777).

Almost surely, 2^461723907553 is an apocalyptic number.

It is an amenable number.

461723907553 is a deficient number, since it is larger than the sum of its proper divisors (1).

461723907553 is an equidigital number, since it uses as much as digits as its factorization.

461723907553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 52.

The spelling of 461723907553 in words is "four hundred sixty-one billion, seven hundred twenty-three million, nine hundred seven thousand, five hundred fifty-three".