2143617421262 has 4 divisors (see below), whose sum is σ = 3215426131896. Its totient is φ = 1071808710630.

The previous prime is 2143617421243. The next prime is 2143617421271. The reversal of 2143617421262 is 2621247163412.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 535904355314 + ... + 535904355317.

It is an arithmetic number, because the mean of its divisors is an integer number (803856532974).

Almost surely, 2^{2143617421262} is an apocalyptic number.

2143617421262 is a deficient number, since it is larger than the sum of its proper divisors (1071808710634).

2143617421262 is a wasteful number, since it uses less digits than its factorization.

2143617421262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071808710633.

The product of its digits is 193536, while the sum is 41.

The spelling of 2143617421262 in words is "two trillion, one hundred forty-three billion, six hundred seventeen million, four hundred twenty-one thousand, two hundred sixty-two".