995226993 has 20 divisors (see below), whose sum is σ = 1490490100. Its totient is φ = 661792032.

The previous prime is 995226977. The next prime is 995227003. The reversal of 995226993 is 399622599.

It can be written as a sum of positive squares in 2 ways, for example, as 838276209 + 156950784 = 28953^2 + 12528^2 .

It is not a de Polignac number, because 995226993 - 2⁴ = 995226977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (995226943) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16683 + ... + 47631.

It is an arithmetic number, because the mean of its divisors is an integer number (74524505).

Almost surely, 2^995226993 is an apocalyptic number.

It is an amenable number.

995226993 is a deficient number, since it is larger than the sum of its proper divisors (495263107).

995226993 is a wasteful number, since it uses less digits than its factorization.

995226993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31358 (or 31349 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 54.

The square root of 995226993 is about 31547.2184669267. The cubic root of 995226993 is about 998.4064596447.

The spelling of 995226993 in words is "nine hundred ninety-five million, two hundred twenty-six thousand, nine hundred ninety-three".