61406366347 has 2 divisors, whose sum is σ = 61406366348. Its totient is φ = 61406366346.

The previous prime is 61406366327. The next prime is 61406366381. The reversal of 61406366347 is 74366360416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61406366347 - 2¹⁵ = 61406333579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61406366297 and 61406366306.

It is not a weakly prime, because it can be changed into another prime (61406366327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30703183173 + 30703183174.

It is an arithmetic number, because the mean of its divisors is an integer number (30703183174).

Almost surely, 2^61406366347 is an apocalyptic number.

61406366347 is a deficient number, since it is larger than the sum of its proper divisors (1).

61406366347 is an equidigital number, since it uses as much as digits as its factorization.

61406366347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 61406366347 in words is "sixty-one billion, four hundred six million, three hundred sixty-six thousand, three hundred forty-seven".