2664199948942 has 16 divisors (see below), whose sum is σ = 4644610081920. Its totient is φ = 1122447435768.

The previous prime is 2664199948937. The next prime is 2664199948951. The reversal of 2664199948942 is 2498499914662.

It is a super-3 number, since 3×2664199948942³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 in 7 ways as a sum of consecutive naturals, for example, 1612711008 + ... + 1612712659.

It is an arithmetic number, because the mean of its divisors is an integer number (290288130120).

Almost surely, 2^{2664199948942} is an apocalyptic number.

2664199948942 is a deficient number, since it is larger than the sum of its proper divisors (1980410132978).

2664199948942 is a wasteful number, since it uses less digits than its factorization.

2664199948942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225423735.

The product of its digits is 483729408, while the sum is 73.

The spelling of 2664199948942 in words is "two trillion, six hundred sixty-four billion, one hundred ninety-nine million, nine hundred forty-eight thousand, nine hundred forty-two".