61335928366073 has 2 divisors, whose sum is σ = 61335928366074. Its totient is φ = 61335928366072.

The previous prime is 61335928366003. The next prime is 61335928366081. The reversal of 61335928366073 is 37066382953316.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59057872447744 + 2278055918329 = 7684912^2 + 1509323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61335928366073 is a prime.

It is a super-2 number, since 2×61335928366073² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61335928365997 and 61335928366015.

It is not a weakly prime, because it can be changed into another prime (61335928366003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30667964183036 + 30667964183037.

It is an arithmetic number, because the mean of its divisors is an integer number (30667964183037).

Almost surely, 2^{61335928366073} is an apocalyptic number.

It is an amenable number.

61335928366073 is a deficient number, since it is larger than the sum of its proper divisors (1).

61335928366073 is an equidigital number, since it uses as much as digits as its factorization.

61335928366073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88179840, while the sum is 62.

The spelling of 61335928366073 in words is "sixty-one trillion, three hundred thirty-five billion, nine hundred twenty-eight million, three hundred sixty-six thousand, seventy-three".