6550590379 has 2 divisors, whose sum is σ = 6550590380. Its totient is φ = 6550590378.

The previous prime is 6550590359. The next prime is 6550590521. The reversal of 6550590379 is 9730950556.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550590379 is a prime.

It is not a weakly prime, because it can be changed into another prime (6550590349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275295189 + 3275295190.

It is an arithmetic number, because the mean of its divisors is an integer number (3275295190).

Almost surely, 2^6550590379 is an apocalyptic number.

6550590379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550590379 is an equidigital number, since it uses as much as digits as its factorization.

6550590379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1275750, while the sum is 49.

The square root of 6550590379 is about 80935.7175726514. The cubic root of 6550590379 is about 1871.0848442322.

The spelling of 6550590379 in words is "six billion, five hundred fifty million, five hundred ninety thousand, three hundred seventy-nine".