61026410647 has 2 divisors, whose sum is σ = 61026410648. Its totient is φ = 61026410646.

The previous prime is 61026410639. The next prime is 61026410689. The reversal of 61026410647 is 74601462016.

61026410647 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 61026410647 - 2³ = 61026410639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61026410617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513205323 + 30513205324.

It is an arithmetic number, because the mean of its divisors is an integer number (30513205324).

Almost surely, 2^61026410647 is an apocalyptic number.

61026410647 is a deficient number, since it is larger than the sum of its proper divisors (1).

61026410647 is an equidigital number, since it uses as much as digits as its factorization.

61026410647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 61026410647 in words is "sixty-one billion, twenty-six million, four hundred ten thousand, six hundred forty-seven".