2142858409284 has 24 divisors (see below), whose sum is σ = 5004166188448. Its totient is φ = 713691388800.

The previous prime is 2142858409283. The next prime is 2142858409297. The reversal of 2142858409284 is 4829048582412.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2142858409283) 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, 74328442 + ... + 74357265.

Almost surely, 2^{2142858409284} is an apocalyptic number.

It is an amenable number.

2142858409284 is an abundant number, since it is smaller than the sum of its proper divisors (2861307779164).

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

2142858409284 is a wasteful number, since it uses less digits than its factorization.

2142858409284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148686915 (or 148686913 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 57.

The spelling of 2142858409284 in words is "two trillion, one hundred forty-two billion, eight hundred fifty-eight million, four hundred nine thousand, two hundred eighty-four".