6319549897 has 4 divisors (see below), whose sum is σ = 6594312960. Its totient is φ = 6044786836.

The previous prime is 6319549879. The next prime is 6319549913. The reversal of 6319549897 is 7989459136.

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 6319549897 - 2¹⁵ = 6319517129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6319549807) 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, 137381497 + ... + 137381542.

It is an arithmetic number, because the mean of its divisors is an integer number (1648578240).

Almost surely, 2^6319549897 is an apocalyptic number.

It is an amenable number.

6319549897 is a deficient number, since it is larger than the sum of its proper divisors (274763063).

6319549897 is a wasteful number, since it uses less digits than its factorization.

6319549897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274763062.

The product of its digits is 14696640, while the sum is 61.

The square root of 6319549897 is about 79495.5967145351. The cubic root of 6319549897 is about 1848.8232006501.

The spelling of 6319549897 in words is "six billion, three hundred nineteen million, five hundred forty-nine thousand, eight hundred ninety-seven".