2142787529 has 8 divisors (see below), whose sum is σ = 2265251040. Its totient is φ = 2021292576.

The previous prime is 2142787523. The next prime is 2142787531. The reversal of 2142787529 is 9257872412.

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 2142787529 - 2⁴ = 2142787513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142787523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237587 + ... + 246440.

It is an arithmetic number, because the mean of its divisors is an integer number (283156380).

Almost surely, 2^2142787529 is an apocalyptic number.

It is an amenable number.

2142787529 is a deficient number, since it is larger than the sum of its proper divisors (122463511).

2142787529 is a wasteful number, since it uses less digits than its factorization.

2142787529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484279.

The product of its digits is 564480, while the sum is 47.

The square root of 2142787529 is about 46290.2530669254. The cubic root of 2142787529 is about 1289.2180283741.

The spelling of 2142787529 in words is "two billion, one hundred forty-two million, seven hundred eighty-seven thousand, five hundred twenty-nine".