61335928365029 has 2 divisors, whose sum is σ = 61335928365030. Its totient is φ = 61335928365028.

The previous prime is 61335928364981. The next prime is 61335928365097. The reversal of 61335928365029 is 92056382953316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55433832252100 + 5902096112929 = 7445390^2 + 2429423^2 .

It is a cyclic number.

It is not a de Polignac number, because 61335928365029 - 2¹² = 61335928360933 is a prime.

It is a super-2 number, since 2×61335928365029² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61335928365529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30667964182514 + 30667964182515.

It is an arithmetic number, because the mean of its divisors is an integer number (30667964182515).

Almost surely, 2^{61335928365029} is an apocalyptic number.

It is an amenable number.

61335928365029 is a deficient number, since it is larger than the sum of its proper divisors (1).

61335928365029 is an equidigital number, since it uses as much as digits as its factorization.

61335928365029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62985600, while the sum is 62.

The spelling of 61335928365029 in words is "sixty-one trillion, three hundred thirty-five billion, nine hundred twenty-eight million, three hundred sixty-five thousand, twenty-nine".