6425606366 has 4 divisors (see below), whose sum is σ = 9638409552. Its totient is φ = 3212803182.

The previous prime is 6425606359. The next prime is 6425606413. The reversal of 6425606366 is 6636065246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6636065246 = 2 ⋅3318032623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606401590 + ... + 1606401593.

It is an arithmetic number, because the mean of its divisors is an integer number (2409602388).

Almost surely, 2^6425606366 is an apocalyptic number.

6425606366 is a deficient number, since it is larger than the sum of its proper divisors (3212803186).

6425606366 is a wasteful number, since it uses less digits than its factorization.

6425606366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212803185.

The product of its (nonzero) digits is 933120, while the sum is 44.

The square root of 6425606366 is about 80159.8800273553. The cubic root of 6425606366 is about 1859.1083680741.

The spelling of 6425606366 in words is "six billion, four hundred twenty-five million, six hundred six thousand, three hundred sixty-six".