2142969442 has 32 divisors (see below), whose sum is σ = 3525793920. Its totient is φ = 972330240.

The previous prime is 2142969431. The next prime is 2142969443. The reversal of 2142969442 is 2449692412.

It is not an unprimeable number, because it can be changed into a prime (2142969443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169467 + ... + 1171297.

It is an arithmetic number, because the mean of its divisors is an integer number (110181060).

Almost surely, 2^2142969442 is an apocalyptic number.

2142969442 is a deficient number, since it is larger than the sum of its proper divisors (1382824478).

2142969442 is a wasteful number, since it uses less digits than its factorization.

2142969442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its digits is 248832, while the sum is 43.

The square root of 2142969442 is about 46292.2179421120. The cubic root of 2142969442 is about 1289.2545102744.

The spelling of 2142969442 in words is "two billion, one hundred forty-two million, nine hundred sixty-nine thousand, four hundred forty-two".