605764024781 has 2 divisors, whose sum is σ = 605764024782. Its totient is φ = 605764024780.

The previous prime is 605764024771. The next prime is 605764024819. The reversal of 605764024781 is 187420467506.

605764024781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605736880681 + 27144100 = 778291^2 + 5210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605764024781 is a prime.

It is a super-2 number, since 2×605764024781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605764024771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302882012390 + 302882012391.

It is an arithmetic number, because the mean of its divisors is an integer number (302882012391).

Almost surely, 2^605764024781 is an apocalyptic number.

It is an amenable number.

605764024781 is a deficient number, since it is larger than the sum of its proper divisors (1).

605764024781 is an equidigital number, since it uses as much as digits as its factorization.

605764024781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 605764024781 in words is "six hundred five billion, seven hundred sixty-four million, twenty-four thousand, seven hundred eighty-one".