61026742606723 has 2 divisors, whose sum is σ = 61026742606724. Its totient is φ = 61026742606722.

The previous prime is 61026742606717. The next prime is 61026742606747. The reversal of 61026742606723 is 32760624762016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61026742606723 - 2¹³ = 61026742598531 is a prime.

It is not a weakly prime, because it can be changed into another prime (61026742606763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513371303361 + 30513371303362.

It is an arithmetic number, because the mean of its divisors is an integer number (30513371303362).

Almost surely, 2^{61026742606723} is an apocalyptic number.

61026742606723 is a deficient number, since it is larger than the sum of its proper divisors (1).

61026742606723 is an equidigital number, since it uses as much as digits as its factorization.

61026742606723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 61026742606723 in words is "sixty-one trillion, twenty-six billion, seven hundred forty-two million, six hundred six thousand, seven hundred twenty-three".