2238335940649 has 8 divisors (see below), whose sum is σ = 2389328210880. Its totient is φ = 2090662182000.

The previous prime is 2238335940601. The next prime is 2238335940667. The reversal of 2238335940649 is 9460495338322.

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 2238335940649 - 2¹³ = 2238335932457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2238335940593 and 2238335940602.

It is not an unprimeable number, because it can be changed into a prime (2238335949649) 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, 829626502 + ... + 829629199.

It is an arithmetic number, because the mean of its divisors is an integer number (298666026360).

Almost surely, 2^{2238335940649} is an apocalyptic number.

It is an amenable number.

2238335940649 is a deficient number, since it is larger than the sum of its proper divisors (150992270231).

2238335940649 is a wasteful number, since it uses less digits than its factorization.

2238335940649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659255791.

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 2238335940649 in words is "two trillion, two hundred thirty-eight billion, three hundred thirty-five million, nine hundred forty thousand, six hundred forty-nine".