7379390647 has 2 divisors, whose sum is σ = 7379390648. Its totient is φ = 7379390646.

The previous prime is 7379390561. The next prime is 7379390701. The reversal of 7379390647 is 7460939737.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7379390647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7379390047) 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, 3689695323 + 3689695324.

It is an arithmetic number, because the mean of its divisors is an integer number (3689695324).

Almost surely, 2^7379390647 is an apocalyptic number.

7379390647 is a deficient number, since it is larger than the sum of its proper divisors (1).

7379390647 is an equidigital number, since it uses as much as digits as its factorization.

7379390647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6001128, while the sum is 55.

The square root of 7379390647 is about 85903.3797181461. The cubic root of 7379390647 is about 1946.8844086630.

The spelling of 7379390647 in words is "seven billion, three hundred seventy-nine million, three hundred ninety thousand, six hundred forty-seven".