3688412626 has 4 divisors (see below), whose sum is σ = 5532618942. Its totient is φ = 1844206312.

The previous prime is 3688412597. The next prime is 3688412657. The reversal of 3688412626 is 6262148863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3666181401 + 22231225 = 60549^2 + 4715^2 .

It is an unprimeable number.

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, 922103155 + ... + 922103158.

Almost surely, 2^3688412626 is an apocalyptic number.

3688412626 is a deficient number, since it is larger than the sum of its proper divisors (1844206316).

3688412626 is a wasteful number, since it uses less digits than its factorization.

3688412626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844206315.

The product of its digits is 663552, while the sum is 46.

The square root of 3688412626 is about 60732.3029861375. The cubic root of 3688412626 is about 1545.0640940025.

The spelling of 3688412626 in words is "three billion, six hundred eighty-eight million, four hundred twelve thousand, six hundred twenty-six".