6194345897 has 2 divisors, whose sum is σ = 6194345898. Its totient is φ = 6194345896.

The previous prime is 6194345893. The next prime is 6194345929. The reversal of 6194345897 is 7985434916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4674593641 + 1519752256 = 68371^2 + 38984^2 .

It is a cyclic number.

It is not a de Polignac number, because 6194345897 - 2² = 6194345893 is a prime.

It is not a weakly prime, because it can be changed into another prime (6194345893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3097172948 + 3097172949.

It is an arithmetic number, because the mean of its divisors is an integer number (3097172949).

Almost surely, 2^6194345897 is an apocalyptic number.

It is an amenable number.

6194345897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6194345897 is an equidigital number, since it uses as much as digits as its factorization.

6194345897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The square root of 6194345897 is about 78704.1669608414. The cubic root of 6194345897 is about 1836.5319339764.

The spelling of 6194345897 in words is "six billion, one hundred ninety-four million, three hundred forty-five thousand, eight hundred ninety-seven".