2691095061 has 8 divisors (see below), whose sum is σ = 3588527200. Its totient is φ = 1793863152.

The previous prime is 2691095009. The next prime is 2691095117. The reversal of 2691095061 is 1605901962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2691095061 - 2¹⁵ = 2691062293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291095061) 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, 15235 + ... + 74928.

It is an arithmetic number, because the mean of its divisors is an integer number (448565900).

Almost surely, 2^2691095061 is an apocalyptic number.

It is an amenable number.

2691095061 is a deficient number, since it is larger than the sum of its proper divisors (897432139).

2691095061 is an equidigital number, since it uses as much as digits as its factorization.

2691095061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100115.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 2691095061 is about 51875.7656425426. The cubic root of 2691095061 is about 1390.9441097351.

It can be divided in two parts, 269109 and 5061, that added together give a triangular number (274170 = T₇₄₀).

The spelling of 2691095061 in words is "two billion, six hundred ninety-one million, ninety-five thousand, sixty-one".