61302454673 has 2 divisors, whose sum is σ = 61302454674. Its totient is φ = 61302454672.

The previous prime is 61302454667. The next prime is 61302454727. The reversal of 61302454673 is 37645420316.

61302454673 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., 31133543809 + 30168910864 = 176447^2 + 173692^2 .

It is a cyclic number.

It is not a de Polignac number, because 61302454673 - 2⁴ = 61302454657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61302454673.

It is not a weakly prime, because it can be changed into another prime (61302454613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30651227336 + 30651227337.

It is an arithmetic number, because the mean of its divisors is an integer number (30651227337).

Almost surely, 2^61302454673 is an apocalyptic number.

It is an amenable number.

61302454673 is a deficient number, since it is larger than the sum of its proper divisors (1).

61302454673 is an equidigital number, since it uses as much as digits as its factorization.

61302454673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 61302454673 its reverse (37645420316), we get a palindrome (98947874989).

The spelling of 61302454673 in words is "sixty-one billion, three hundred two million, four hundred fifty-four thousand, six hundred seventy-three".