7031996449 has 3 divisors (see below), whose sum is σ = 7032080307. Its totient is φ = 7031912592.

The previous prime is 7031996423. The next prime is 7031996453. The reversal of 7031996449 is 9446991307.

The square root of 7031996449 is 83857.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3084136225 + 3947860224 = 55535^2 + 62832^2 .

It is not a de Polignac number, because 7031996449 - 2²¹ = 7029899297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7031996396 and 7031996405.

It is not an unprimeable number, because it can be changed into a prime (7031996459) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 41929 + ... + 125785.

It is an arithmetic number, because the mean of its divisors is an integer number (2344026769).

Almost surely, 2^7031996449 is an apocalyptic number.

7031996449 is the 83857-th square number.

7031996449 is the 41929-th centered octagonal number.

It is an amenable number.

7031996449 is a deficient number, since it is larger than the sum of its proper divisors (83858).

7031996449 is an frugal number, since it uses more digits than its factorization.

7031996449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167714 (or 83857 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The cubic root of 7031996449 is about 1915.8413724706.

The spelling of 7031996449 in words is "seven billion, thirty-one million, nine hundred ninety-six thousand, four hundred forty-nine".