42299423439647 has 16 divisors (see below), whose sum is σ = 48195236995200. Its totient is φ = 36780575559840.

The previous prime is 42299423439619. The next prime is 42299423439677. The reversal of 42299423439647 is 74693432499224.

It is not a de Polignac number, because 42299423439647 - 2²⁰ = 42299422391071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42299423439607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880736897 + ... + 880784922.

It is an arithmetic number, because the mean of its divisors is an integer number (3012202312200).

Almost surely, 2^{42299423439647} is an apocalyptic number.

42299423439647 is a deficient number, since it is larger than the sum of its proper divisors (5895813555553).

42299423439647 is a wasteful number, since it uses less digits than its factorization.

42299423439647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761521926.

The product of its digits is 564350976, while the sum is 68.

The spelling of 42299423439647 in words is "forty-two trillion, two hundred ninety-nine billion, four hundred twenty-three million, four hundred thirty-nine thousand, six hundred forty-seven".