2691582466938 has 16 divisors (see below), whose sum is σ = 5666489404320. Its totient is φ = 849973410576.

The previous prime is 2691582466931. The next prime is 2691582466949. The reversal of 2691582466938 is 8396642851962.

It is not an unprimeable number, because it can be changed into a prime (2691582466931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11805186145 + ... + 11805186372.

It is an arithmetic number, because the mean of its divisors is an integer number (354155587770).

Almost surely, 2^{2691582466938} is an apocalyptic number.

2691582466938 is an abundant number, since it is smaller than the sum of its proper divisors (2974906937382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2691582466938 is a wasteful number, since it uses less digits than its factorization.

2691582466938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23610372541.

The product of its digits is 268738560, while the sum is 69.

The spelling of 2691582466938 in words is "two trillion, six hundred ninety-one billion, five hundred eighty-two million, four hundred sixty-six thousand, nine hundred thirty-eight".