2142994329694 has 16 divisors (see below), whose sum is σ = 3411663763536. Its totient is φ = 1006072502400.

The previous prime is 2142994329691. The next prime is 2142994329701. The reversal of 2142994329694 is 4969234992412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142994329691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74842272 + ... + 74870899.

It is an arithmetic number, because the mean of its divisors is an integer number (213228985221).

Almost surely, 2^{2142994329694} is an apocalyptic number.

2142994329694 is a deficient number, since it is larger than the sum of its proper divisors (1268669433842).

2142994329694 is a wasteful number, since it uses less digits than its factorization.

2142994329694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149713611.

The product of its digits is 60466176, while the sum is 64.

The spelling of 2142994329694 in words is "two trillion, one hundred forty-two billion, nine hundred ninety-four million, three hundred twenty-nine thousand, six hundred ninety-four".