61026742606499 has 2 divisors, whose sum is σ = 61026742606500. Its totient is φ = 61026742606498.

The previous prime is 61026742606469. The next prime is 61026742606513. The reversal of 61026742606499 is 99460624762016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61026742606499 is a prime.

It is not a weakly prime, because it can be changed into another prime (61026742606469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513371303249 + 30513371303250.

It is an arithmetic number, because the mean of its divisors is an integer number (30513371303250).

Almost surely, 2^{61026742606499} is an apocalyptic number.

61026742606499 is a deficient number, since it is larger than the sum of its proper divisors (1).

61026742606499 is an equidigital number, since it uses as much as digits as its factorization.

61026742606499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 61026742606499 in words is "sixty-one trillion, twenty-six billion, seven hundred forty-two million, six hundred six thousand, four hundred ninety-nine".