2041663742645 has 8 divisors (see below), whose sum is σ = 2578943675040. Its totient is φ = 1547366204880.

The previous prime is 2041663742639. The next prime is 2041663742687. The reversal of 2041663742645 is 5462473661402.

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

It is not a de Polignac number, because 2041663742645 - 2⁶ = 2041663742581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2041663742593 and 2041663742602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10745598551 + ... + 10745598740.

It is an arithmetic number, because the mean of its divisors is an integer number (322367959380).

Almost surely, 2^{2041663742645} is an apocalyptic number.

It is an amenable number.

2041663742645 is a deficient number, since it is larger than the sum of its proper divisors (537279932395).

2041663742645 is a wasteful number, since it uses less digits than its factorization.

2041663742645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21491197315.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 2041663742645 in words is "two trillion, forty-one billion, six hundred sixty-three million, seven hundred forty-two thousand, six hundred forty-five".