61347463446329 has 2 divisors, whose sum is σ = 61347463446330. Its totient is φ = 61347463446328.

The previous prime is 61347463446221. The next prime is 61347463446389. The reversal of 61347463446329 is 92364436474316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43871719286329 + 17475744160000 = 6623573^2 + 4180400^2 .

It is a cyclic number.

It is not a de Polignac number, because 61347463446329 - 2³⁶ = 61278743969593 is a prime.

It is a super-2 number, since 2×61347463446329² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61347463446389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30673731723164 + 30673731723165.

It is an arithmetic number, because the mean of its divisors is an integer number (30673731723165).

Almost surely, 2^{61347463446329} is an apocalyptic number.

It is an amenable number.

61347463446329 is a deficient number, since it is larger than the sum of its proper divisors (1).

61347463446329 is an equidigital number, since it uses as much as digits as its factorization.

61347463446329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188116992, while the sum is 62.

The spelling of 61347463446329 in words is "sixty-one trillion, three hundred forty-seven billion, four hundred sixty-three million, four hundred forty-six thousand, three hundred twenty-nine".