4002142142429 has 4 divisors (see below), whose sum is σ = 4002298300476. Its totient is φ = 4001985984384.

The previous prime is 4002142142381. The next prime is 4002142142431. The reversal of 4002142142429 is 9242412412004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2880233265625 + 1121908876804 = 1697125^2 + 1059202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4002142142429 is a prime.

It is a super-2 number, since 2×4002142142429² (a number of 26 digits) contains 22 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 (4002142142129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78040574 + ... + 78091839.

It is an arithmetic number, because the mean of its divisors is an integer number (1000574575119).

Almost surely, 2^{4002142142429} is an apocalyptic number.

It is an amenable number.

4002142142429 is a deficient number, since it is larger than the sum of its proper divisors (156158047).

4002142142429 is a wasteful number, since it uses less digits than its factorization.

4002142142429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156158046.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 4002142142429 in words is "four trillion, two billion, one hundred forty-two million, one hundred forty-two thousand, four hundred twenty-nine".