2121749065337 has 8 divisors (see below), whose sum is σ = 2330169811200. Its totient is φ = 1915917397360.

The previous prime is 2121749065327. The next prime is 2121749065351. The reversal of 2121749065337 is 7335609471212.

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 2121749065337 - 2¹² = 2121749061241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121749065307) 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, 647267753 + ... + 647271030.

It is an arithmetic number, because the mean of its divisors is an integer number (291271226400).

Almost surely, 2^{2121749065337} is an apocalyptic number.

It is an amenable number.

2121749065337 is a deficient number, since it is larger than the sum of its proper divisors (208420745863).

2121749065337 is a wasteful number, since it uses less digits than its factorization.

2121749065337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294538943.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 2121749065337 in words is "two trillion, one hundred twenty-one billion, seven hundred forty-nine million, sixty-five thousand, three hundred thirty-seven".