142169469321 has 16 divisors (see below), whose sum is σ = 209624725440. Its totient is φ = 84982993920.

The previous prime is 142169469311. The next prime is 142169469329. The reversal of 142169469321 is 123964961241.

142169469321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142169469321 - 2⁹ = 142169468809 is a prime.

It is a super-3 number, since 3×142169469321³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (142169469329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29505576 + ... + 29510393.

It is an arithmetic number, because the mean of its divisors is an integer number (13101545340).

Almost surely, 2^142169469321 is an apocalyptic number.

142169469321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142169469321 is a deficient number, since it is larger than the sum of its proper divisors (67455256119).

142169469321 is a wasteful number, since it uses less digits than its factorization.

142169469321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59016056.

The product of its digits is 559872, while the sum is 48.

The spelling of 142169469321 in words is "one hundred forty-two billion, one hundred sixty-nine million, four hundred sixty-nine thousand, three hundred twenty-one".