6635740992211 has 8 divisors (see below), whose sum is σ = 6638506414848. Its totient is φ = 6632975853000.

The previous prime is 6635740992173. The next prime is 6635740992263. The reversal of 6635740992211 is 1122990475366.

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 6635740992211 - 2³⁵ = 6601381253843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6635740992011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55735416 + ... + 55854346.

It is an arithmetic number, because the mean of its divisors is an integer number (829813301856).

Almost surely, 2^{6635740992211} is an apocalyptic number.

6635740992211 is a deficient number, since it is larger than the sum of its proper divisors (2765422637).

6635740992211 is a wasteful number, since it uses less digits than its factorization.

6635740992211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141713.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 6635740992211 in words is "six trillion, six hundred thirty-five billion, seven hundred forty million, nine hundred ninety-two thousand, two hundred eleven".