2142357429 has 4 divisors (see below), whose sum is σ = 2856476576. Its totient is φ = 1428238284.

The previous prime is 2142357409. The next prime is 2142357433. The reversal of 2142357429 is 9247532412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2142357429 - 2¹⁷ = 2142226357 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 (2142357409) 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, 357059569 + ... + 357059574.

It is an arithmetic number, because the mean of its divisors is an integer number (714119144).

Almost surely, 2^2142357429 is an apocalyptic number.

It is an amenable number.

2142357429 is a deficient number, since it is larger than the sum of its proper divisors (714119147).

2142357429 is an equidigital number, since it uses as much as digits as its factorization.

2142357429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714119146.

The product of its digits is 120960, while the sum is 39.

The square root of 2142357429 is about 46285.6071473628. The cubic root of 2142357429 is about 1289.1317653841.

The spelling of 2142357429 in words is "two billion, one hundred forty-two million, three hundred fifty-seven thousand, four hundred twenty-nine".