2142478425774 has 32 divisors (see below), whose sum is σ = 4433548648320. Its totient is φ = 689403449952.

The previous prime is 2142478425757. The next prime is 2142478425793. The reversal of 2142478425774 is 4775248742412.

It is a happy number.

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, 230392 + ... + 2082795.

It is an arithmetic number, because the mean of its divisors is an integer number (138548395260).

Almost surely, 2^{2142478425774} is an apocalyptic number.

2142478425774 is an abundant number, since it is smaller than the sum of its proper divisors (2291070222546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142478425774 is a wasteful number, since it uses less digits than its factorization.

2142478425774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318544.

The product of its digits is 28098560, while the sum is 57.

The spelling of 2142478425774 in words is "two trillion, one hundred forty-two billion, four hundred seventy-eight million, four hundred twenty-five thousand, seven hundred seventy-four".