6180399493 has 2 divisors, whose sum is σ = 6180399494. Its totient is φ = 6180399492.

The previous prime is 6180399473. The next prime is 6180399593. The reversal of 6180399493 is 3949930816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5452640964 + 727758529 = 73842^2 + 26977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6180399493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6180399493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6180399473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3090199746 + 3090199747.

It is an arithmetic number, because the mean of its divisors is an integer number (3090199747).

Almost surely, 2^6180399493 is an apocalyptic number.

It is an amenable number.

6180399493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6180399493 is an equidigital number, since it uses as much as digits as its factorization.

6180399493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 6180399493 is about 78615.5168716711. The cubic root of 6180399493 is about 1835.1525974462.

The spelling of 6180399493 in words is "six billion, one hundred eighty million, three hundred ninety-nine thousand, four hundred ninety-three".