3619426656 has 48 divisors (see below), whose sum is σ = 9533495664. Its totient is φ = 1202348544.

The previous prime is 3619426637. The next prime is 3619426687. The reversal of 3619426656 is 6566249163.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 36211 + ... + 92466.

It is an arithmetic number, because the mean of its divisors is an integer number (198614493).

Almost surely, 2^3619426656 is an apocalyptic number.

It is an amenable number.

3619426656 is an abundant number, since it is smaller than the sum of its proper divisors (5914069008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3619426656 is a wasteful number, since it uses less digits than its factorization.

3619426656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128983 (or 128975 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The square root of 3619426656 is about 60161.6709874319. The cubic root of 3619426656 is about 1535.3707410507.

The spelling of 3619426656 in words is "three billion, six hundred nineteen million, four hundred twenty-six thousand, six hundred fifty-six".