7993055481 has 4 divisors (see below), whose sum is σ = 10657407312. Its totient is φ = 5328703652.

The previous prime is 7993055479. The next prime is 7993055491. The reversal of 7993055481 is 1845503997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7993055481 - 2¹ = 7993055479 is a prime.

It is a super-2 number, since 2×7993055481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7993055491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332175911 + ... + 1332175916.

It is an arithmetic number, because the mean of its divisors is an integer number (2664351828).

Almost surely, 2^7993055481 is an apocalyptic number.

It is an amenable number.

7993055481 is a deficient number, since it is larger than the sum of its proper divisors (2664351831).

7993055481 is a wasteful number, since it uses less digits than its factorization.

7993055481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664351830.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The square root of 7993055481 is about 89403.8896301498. The cubic root of 7993055481 is about 1999.4211225499.

The spelling of 7993055481 in words is "seven billion, nine hundred ninety-three million, fifty-five thousand, four hundred eighty-one".