7266268291 has 4 divisors (see below), whose sum is σ = 7420869792. Its totient is φ = 7111666792.

The previous prime is 7266268213. The next prime is 7266268301. The reversal of 7266268291 is 1928626627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1928626627 = 277 ⋅6962551.

It is a cyclic number.

It is not a de Polignac number, because 7266268291 - 2²⁹ = 6729397379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7266268201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77300680 + ... + 77300773.

It is an arithmetic number, because the mean of its divisors is an integer number (1855217448).

Almost surely, 2^7266268291 is an apocalyptic number.

7266268291 is a deficient number, since it is larger than the sum of its proper divisors (154601501).

7266268291 is a wasteful number, since it uses less digits than its factorization.

7266268291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154601500.

The product of its digits is 870912, while the sum is 49.

The square root of 7266268291 is about 85242.4089934113. The cubic root of 7266268291 is about 1936.8848836434.

The spelling of 7266268291 in words is "seven billion, two hundred sixty-six million, two hundred sixty-eight thousand, two hundred ninety-one".