2691144967 has 8 divisors (see below), whose sum is σ = 3084460416. Its totient is φ = 2300046072.

The previous prime is 2691144961. The next prime is 2691144997. The reversal of 2691144967 is 7694411962.

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 2691144967 - 2¹⁵ = 2691112199 is a prime.

It is a super-2 number, since 2×2691144967² = 14484522466818862178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2691144967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691144961) 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, 551533 + ... + 556390.

It is an arithmetic number, because the mean of its divisors is an integer number (385557552).

Almost surely, 2^2691144967 is an apocalyptic number.

2691144967 is a deficient number, since it is larger than the sum of its proper divisors (393315449).

2691144967 is a wasteful number, since it uses less digits than its factorization.

2691144967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108277.

The product of its digits is 653184, while the sum is 49.

The square root of 2691144967 is about 51876.2466548998. The cubic root of 2691144967 is about 1390.9527079731.

The spelling of 2691144967 in words is "two billion, six hundred ninety-one million, one hundred forty-four thousand, nine hundred sixty-seven".