2691489153 has 16 divisors (see below), whose sum is σ = 3732318656. Its totient is φ = 1723861440.

The previous prime is 2691489133. The next prime is 2691489173. The reversal of 2691489153 is 3519841962.

It is an interprime number because it is at equal distance from previous prime (2691489133) and next prime (2691489173).

It is not a de Polignac number, because 2691489153 - 2⁸ = 2691488897 is a prime.

It is a super-2 number, since 2×2691489153² = 14488227721433314818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2691489103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163150 + ... + 178887.

It is an arithmetic number, because the mean of its divisors is an integer number (233269916).

Almost surely, 2^2691489153 is an apocalyptic number.

It is an amenable number.

2691489153 is a deficient number, since it is larger than the sum of its proper divisors (1040829503).

2691489153 is a wasteful number, since it uses less digits than its factorization.

2691489153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342144.

The product of its digits is 466560, while the sum is 48.

The square root of 2691489153 is about 51879.5639245358. The cubic root of 2691489153 is about 1391.0120044245.

The spelling of 2691489153 in words is "two billion, six hundred ninety-one million, four hundred eighty-nine thousand, one hundred fifty-three".