2118980307633 has 16 divisors (see below), whose sum is σ = 3418858984320. Its totient is φ = 1139619661056.

The previous prime is 2118980307629. The next prime is 2118980307649. The reversal of 2118980307633 is 3367030898112.

It is not a de Polignac number, because 2118980307633 - 2² = 2118980307629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2118980307683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967759178 + ... + 2967759891.

It is an arithmetic number, because the mean of its divisors is an integer number (213678686520).

Almost surely, 2^{2118980307633} is an apocalyptic number.

It is an amenable number.

2118980307633 is a deficient number, since it is larger than the sum of its proper divisors (1299878676687).

2118980307633 is a wasteful number, since it uses less digits than its factorization.

2118980307633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935519096.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 2118980307633 in words is "two trillion, one hundred eighteen billion, nine hundred eighty million, three hundred seven thousand, six hundred thirty-three".