2261260499 has 4 divisors (see below), whose sum is σ = 2270722080. Its totient is φ = 2251798920.

The previous prime is 2261260493. The next prime is 2261260511. The reversal of 2261260499 is 9940621622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9940621622 = 2 ⋅4970310811.

It is a cyclic number.

It is not a de Polignac number, because 2261260499 - 2²⁰ = 2260211923 is a prime.

It is a super-2 number, since 2×2261260499² = 10226598088675458002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261260493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4730432 + ... + 4730909.

It is an arithmetic number, because the mean of its divisors is an integer number (567680520).

Almost surely, 2^2261260499 is an apocalyptic number.

2261260499 is a deficient number, since it is larger than the sum of its proper divisors (9461581).

2261260499 is an equidigital number, since it uses as much as digits as its factorization.

2261260499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461580.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2261260499 is about 47552.7128458514. The cubic root of 2261260499 is about 1312.5530498165.

The spelling of 2261260499 in words is "two billion, two hundred sixty-one million, two hundred sixty thousand, four hundred ninety-nine".