2236738908649 has 8 divisors (see below), whose sum is σ = 2574931966848. Its totient is φ = 1903210582560.

The previous prime is 2236738908623. The next prime is 2236738908661. The reversal of 2236738908649 is 9468098376322.

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

It is not a de Polignac number, because 2236738908649 - 2⁵ = 2236738908617 is a prime.

It is a super-3 number, since 3×2236738908649³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2236738908619) 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, 1166181997 + ... + 1166183914.

It is an arithmetic number, because the mean of its divisors is an integer number (321866495856).

Almost surely, 2^{2236738908649} is an apocalyptic number.

It is an amenable number.

2236738908649 is a deficient number, since it is larger than the sum of its proper divisors (338193058199).

2236738908649 is a wasteful number, since it uses less digits than its factorization.

2236738908649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332366055.

The product of its (nonzero) digits is 188116992, while the sum is 67.

The spelling of 2236738908649 in words is "two trillion, two hundred thirty-six billion, seven hundred thirty-eight million, nine hundred eight thousand, six hundred forty-nine".