61755410747 has 2 divisors, whose sum is σ = 61755410748. Its totient is φ = 61755410746.

The previous prime is 61755410701. The next prime is 61755410797. The reversal of 61755410747 is 74701455716.

61755410747 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 is a cyclic number.

It is not a de Polignac number, because 61755410747 - 2²⁴ = 61738633531 is a prime.

It is not a weakly prime, because it can be changed into another prime (61755410797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30877705373 + 30877705374.

It is an arithmetic number, because the mean of its divisors is an integer number (30877705374).

Almost surely, 2^61755410747 is an apocalyptic number.

61755410747 is a deficient number, since it is larger than the sum of its proper divisors (1).

61755410747 is an equidigital number, since it uses as much as digits as its factorization.

61755410747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 823200, while the sum is 47.

The spelling of 61755410747 in words is "sixty-one billion, seven hundred fifty-five million, four hundred ten thousand, seven hundred forty-seven".