2141663442431 has 4 divisors (see below), whose sum is σ = 2254382571000. Its totient is φ = 2028944313864.

The previous prime is 2141663442409. The next prime is 2141663442461. The reversal of 2141663442431 is 1342443661412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141663442431 is a prime.

It is a super-2 number, since 2×2141663442431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141663442461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56359564256 + ... + 56359564293.

It is an arithmetic number, because the mean of its divisors is an integer number (563595642750).

Almost surely, 2^{2141663442431} is an apocalyptic number.

2141663442431 is a deficient number, since it is larger than the sum of its proper divisors (112719128569).

2141663442431 is a wasteful number, since it uses less digits than its factorization.

2141663442431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112719128568.

The product of its digits is 331776, while the sum is 41.

The spelling of 2141663442431 in words is "two trillion, one hundred forty-one billion, six hundred sixty-three million, four hundred forty-two thousand, four hundred thirty-one".