6799498443457 has 4 divisors (see below), whose sum is σ = 6799533864660. Its totient is φ = 6799463022256.

The previous prime is 6799498443403. The next prime is 6799498443473. The reversal of 6799498443457 is 7543448949976.

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 4123015531441 + 2676482912016 = 2030521^2 + 1635996^2 .

It is a cyclic number.

It is not a de Polignac number, because 6799498443457 - 2¹⁵ = 6799498410689 is a prime.

It is a super-2 number, since 2×6799498443457² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6799498443557) 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, 17421082 + ... + 17807107.

It is an arithmetic number, because the mean of its divisors is an integer number (1699883466165).

Almost surely, 2^{6799498443457} is an apocalyptic number.

It is an amenable number.

6799498443457 is a deficient number, since it is larger than the sum of its proper divisors (35421203).

6799498443457 is a wasteful number, since it uses less digits than its factorization.

6799498443457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35421202.

The product of its digits is 6584094720, while the sum is 79.

The spelling of 6799498443457 in words is "six trillion, seven hundred ninety-nine billion, four hundred ninety-eight million, four hundred forty-three thousand, four hundred fifty-seven".