2492105691 has 16 divisors (see below), whose sum is σ = 3438784800. Its totient is φ = 1603461888.

The previous prime is 2492105677. The next prime is 2492105723. The reversal of 2492105691 is 1965012942.

It is not a de Polignac number, because 2492105691 - 2¹⁷ = 2491974619 is a prime.

It is a super-2 number, since 2×2492105691² = 12421181550229174962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2492105611) 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, 302965 + ... + 311081.

It is an arithmetic number, because the mean of its divisors is an integer number (214924050).

Almost surely, 2^2492105691 is an apocalyptic number.

2492105691 is a deficient number, since it is larger than the sum of its proper divisors (946679109).

2492105691 is a wasteful number, since it uses less digits than its factorization.

2492105691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2492105691 is about 49920.9944912959. The cubic root of 2492105691 is about 1355.7787385565.

The spelling of 2492105691 in words is "two billion, four hundred ninety-two million, one hundred five thousand, six hundred ninety-one".