2609091051 has 16 divisors (see below), whose sum is σ = 4026086400. Its totient is φ = 1472035968.

The previous prime is 2609090999. The next prime is 2609091059. The reversal of 2609091051 is 1501909062.

It is not a de Polignac number, because 2609091051 - 2⁷ = 2609090923 is a prime.

It is a super-2 number, since 2×2609091051² = 13614712224816569202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2609091059) 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 15 ways as a sum of consecutive naturals, for example, 784686 + ... + 788003.

It is an arithmetic number, because the mean of its divisors is an integer number (251630400).

Almost surely, 2^2609091051 is an apocalyptic number.

2609091051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2609091051 is a deficient number, since it is larger than the sum of its proper divisors (1416995349).

2609091051 is a wasteful number, since it uses less digits than its factorization.

2609091051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572778.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 2609091051 is about 51079.2624359436. The cubic root of 2609091051 is about 1376.6696721365.

The spelling of 2609091051 in words is "two billion, six hundred nine million, ninety-one thousand, fifty-one".