7146605399 has 2 divisors, whose sum is σ = 7146605400. Its totient is φ = 7146605398.

The previous prime is 7146605387. The next prime is 7146605449. The reversal of 7146605399 is 9935066417.

It is an a-pointer prime, because the next prime (7146605449) can be obtained adding 7146605399 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7146605399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7146605329) 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 as a sum of consecutive naturals, namely, 3573302699 + 3573302700.

It is an arithmetic number, because the mean of its divisors is an integer number (3573302700).

Almost surely, 2^7146605399 is an apocalyptic number.

7146605399 is a deficient number, since it is larger than the sum of its proper divisors (1).

7146605399 is an equidigital number, since it uses as much as digits as its factorization.

7146605399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 7146605399 is about 84537.5975468903. The cubic root of 7146605399 is about 1926.1935948581.

The spelling of 7146605399 in words is "seven billion, one hundred forty-six million, six hundred five thousand, three hundred ninety-nine".