2855126293 has 4 divisors (see below), whose sum is σ = 2856418668. Its totient is φ = 2853833920.

The previous prime is 2855126291. The next prime is 2855126297. The reversal of 2855126293 is 3926215582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2836308049 + 18818244 = 53257^2 + 4338^2 .

It is a cyclic number.

It is not a de Polignac number, because 2855126293 - 2¹ = 2855126291 is a prime.

It is a super-2 number, since 2×2855126293² = 16303492297959843698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855126291) 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, 642868 + ... + 647293.

It is an arithmetic number, because the mean of its divisors is an integer number (714104667).

Almost surely, 2^2855126293 is an apocalyptic number.

It is an amenable number.

2855126293 is a deficient number, since it is larger than the sum of its proper divisors (1292375).

2855126293 is a wasteful number, since it uses less digits than its factorization.

2855126293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292374.

The product of its digits is 259200, while the sum is 43.

The square root of 2855126293 is about 53433.3818226022. The cubic root of 2855126293 is about 1418.6494951076.

The spelling of 2855126293 in words is "two billion, eight hundred fifty-five million, one hundred twenty-six thousand, two hundred ninety-three".