61026742606699 has 4 divisors (see below), whose sum is σ = 61026891065536. Its totient is φ = 61026594147864.

The previous prime is 61026742606681. The next prime is 61026742606717. The reversal of 61026742606699 is 99660624762016.

61026742606699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61026742606681) and next prime (61026742606717).

It is a cyclic number.

It is not a de Polignac number, because 61026742606699 - 2⁹ = 61026742606187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61026742606699.

It is not an unprimeable number, because it can be changed into a prime (61026742606499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73611099 + ... + 74435524.

It is an arithmetic number, because the mean of its divisors is an integer number (15256722766384).

Almost surely, 2^{61026742606699} is an apocalyptic number.

61026742606699 is a deficient number, since it is larger than the sum of its proper divisors (148458837).

61026742606699 is a wasteful number, since it uses less digits than its factorization.

61026742606699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148458836.

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 61026742606699 in words is "sixty-one trillion, twenty-six billion, seven hundred forty-two million, six hundred six thousand, six hundred ninety-nine".