42149345172479 has 8 divisors (see below), whose sum is σ = 42658480690560. Its totient is φ = 41640240894616.

The previous prime is 42149345172433. The next prime is 42149345172511. The reversal of 42149345172479 is 97427154394124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42149345172479 - 2⁸ = 42149345172223 is a prime.

It is a super-3 number, since 3×42149345172479³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42149345172379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5089667 + ... + 10497780.

It is an arithmetic number, because the mean of its divisors is an integer number (5332310086320).

Almost surely, 2^{42149345172479} is an apocalyptic number.

42149345172479 is a deficient number, since it is larger than the sum of its proper divisors (509135518081).

42149345172479 is a wasteful number, since it uses less digits than its factorization.

42149345172479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15620109.

The product of its digits is 60963840, while the sum is 62.

The spelling of 42149345172479 in words is "forty-two trillion, one hundred forty-nine billion, three hundred forty-five million, one hundred seventy-two thousand, four hundred seventy-nine".