2102432167042 has 4 divisors (see below), whose sum is σ = 3153648250566. Its totient is φ = 1051216083520.

The previous prime is 2102432167027. The next prime is 2102432167093. The reversal of 2102432167042 is 2407612342012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1455663967081 + 646768199961 = 1206509^2 + 804219^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102432166989 and 2102432167007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525608041759 + ... + 525608041762.

Almost surely, 2^{2102432167042} is an apocalyptic number.

2102432167042 is a deficient number, since it is larger than the sum of its proper divisors (1051216083524).

2102432167042 is a wasteful number, since it uses less digits than its factorization.

2102432167042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051216083523.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 2102432167042 in words is "two trillion, one hundred two billion, four hundred thirty-two million, one hundred sixty-seven thousand, forty-two".