6349699226 has 16 divisors (see below), whose sum is σ = 10264800168. Its totient is φ = 2928460800.

The previous prime is 6349699199. The next prime is 6349699231. The reversal of 6349699226 is 6229969436.

It is a Cunningham number, because it is equal to 79685²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1078794025 + 5270905201 = 32845^2 + 72601^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54335 + ... + 125106.

Almost surely, 2^6349699226 is an apocalyptic number.

6349699226 is a deficient number, since it is larger than the sum of its proper divisors (3915100942).

6349699226 is a wasteful number, since it uses less digits than its factorization.

6349699226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180817.

The product of its digits is 7558272, while the sum is 56.

The square root of 6349699226 is about 79685.0000062747. Note that the first 5 decimals coincide. The cubic root of 6349699226 is about 1851.7586613122.

The spelling of 6349699226 in words is "six billion, three hundred forty-nine million, six hundred ninety-nine thousand, two hundred twenty-six".