2194143742 has 32 divisors (see below), whose sum is σ = 3929882112. Its totient is φ = 898327584.

The previous prime is 2194143727. The next prime is 2194143793. The reversal of 2194143742 is 2473414912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280468 + ... + 288184.

It is an arithmetic number, because the mean of its divisors is an integer number (122808816).

Almost surely, 2^2194143742 is an apocalyptic number.

2194143742 is a deficient number, since it is larger than the sum of its proper divisors (1735738370).

2194143742 is a wasteful number, since it uses less digits than its factorization.

2194143742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632.

The product of its digits is 48384, while the sum is 37.

The square root of 2194143742 is about 46841.6880780358. The cubic root of 2194143742 is about 1299.4363911884.

The spelling of 2194143742 in words is "two billion, one hundred ninety-four million, one hundred forty-three thousand, seven hundred forty-two".