6550969351 has 2 divisors, whose sum is σ = 6550969352. Its totient is φ = 6550969350.

The previous prime is 6550969349. The next prime is 6550969387. The reversal of 6550969351 is 1539690556.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6550969351 - 2¹ = 6550969349 is a prime.

It is a super-2 number, since 2×6550969351² = 85830398875482722402, which contains 22 as substring.

Together with 6550969349, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6550969295 and 6550969304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6550969751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275484675 + 3275484676.

It is an arithmetic number, because the mean of its divisors is an integer number (3275484676).

Almost surely, 2^6550969351 is an apocalyptic number.

6550969351 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550969351 is an equidigital number, since it uses as much as digits as its factorization.

6550969351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1093500, while the sum is 49.

The square root of 6550969351 is about 80938.0587301178. The cubic root of 6550969351 is about 1871.1209262264.

The spelling of 6550969351 in words is "six billion, five hundred fifty million, nine hundred sixty-nine thousand, three hundred fifty-one".