7825338993 has 16 divisors (see below), whose sum is σ = 11031333120. Its totient is φ = 4920538896.

The previous prime is 7825338943. The next prime is 7825339073. The reversal of 7825338993 is 3998335287.

It is not a de Polignac number, because 7825338993 - 2⁹ = 7825338481 is a prime.

It is a super-2 number, since 2×7825338993² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (7825338943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289455 + ... + 315332.

It is an arithmetic number, because the mean of its divisors is an integer number (689458320).

Almost surely, 2^7825338993 is an apocalyptic number.

It is an amenable number.

7825338993 is a deficient number, since it is larger than the sum of its proper divisors (3205994127).

7825338993 is a wasteful number, since it uses less digits than its factorization.

7825338993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605036.

The product of its digits is 9797760, while the sum is 57.

The square root of 7825338993 is about 88460.9461457428. The cubic root of 7825338993 is about 1985.3376870524.

The spelling of 7825338993 in words is "seven billion, eight hundred twenty-five million, three hundred thirty-eight thousand, nine hundred ninety-three".