2143445250641 has 8 divisors (see below), whose sum is σ = 2236660202304. Its totient is φ = 2050232105680.

The previous prime is 2143445250629. The next prime is 2143445250649. The reversal of 2143445250641 is 1460525443412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2143445250641 - 2¹⁸ = 2143444988497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143445250649) 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, 2339831 + ... + 3124371.

It is an arithmetic number, because the mean of its divisors is an integer number (279582525288).

Almost surely, 2^{2143445250641} is an apocalyptic number.

It is an amenable number.

2143445250641 is a deficient number, since it is larger than the sum of its proper divisors (93214951663).

2143445250641 is a wasteful number, since it uses less digits than its factorization.

2143445250641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903351.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 2143445250641 in words is "two trillion, one hundred forty-three billion, four hundred forty-five million, two hundred fifty thousand, six hundred forty-one".