2149238333966 has 4 divisors (see below), whose sum is σ = 3223857500952. Its totient is φ = 1074619166982.

The previous prime is 2149238333953. The next prime is 2149238333989. The reversal of 2149238333966 is 6693338329412.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537309583490 + ... + 537309583493.

It is an arithmetic number, because the mean of its divisors is an integer number (805964375238).

Almost surely, 2^{2149238333966} is an apocalyptic number.

2149238333966 is a deficient number, since it is larger than the sum of its proper divisors (1074619166986).

2149238333966 is a wasteful number, since it uses less digits than its factorization.

2149238333966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074619166985.

The product of its digits is 30233088, while the sum is 59.

The spelling of 2149238333966 in words is "two trillion, one hundred forty-nine billion, two hundred thirty-eight million, three hundred thirty-three thousand, nine hundred sixty-six".