6701993457 has 4 divisors (see below), whose sum is σ = 8935991280. Its totient is φ = 4467995636.

The previous prime is 6701993449. The next prime is 6701993479. The reversal of 6701993457 is 7543991076.

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 6701993457 - 2³ = 6701993449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6701993057) 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, 1116998907 + ... + 1116998912.

It is an arithmetic number, because the mean of its divisors is an integer number (2233997820).

Almost surely, 2^6701993457 is an apocalyptic number.

It is an amenable number.

6701993457 is a deficient number, since it is larger than the sum of its proper divisors (2233997823).

6701993457 is a wasteful number, since it uses less digits than its factorization.

6701993457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233997822.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The square root of 6701993457 is about 81865.7037898044. The cubic root of 6701993457 is about 1885.3905812559.

The spelling of 6701993457 in words is "six billion, seven hundred one million, nine hundred ninety-three thousand, four hundred fifty-seven".