3649606926336 has 360 divisors, whose sum is σ = 12068542216640. Its totient is φ = 1041065312256.

The previous prime is 3649606926313. The next prime is 3649606926461. The reversal of 3649606926336 is 6336296069463.

3649606926336 is a `hidden beast` number, since 36 + 496 + 0 + 69 + 26 + 3 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 731821635 + ... + 731826621.

Almost surely, 2^{3649606926336} is an apocalyptic number.

3649606926336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3649606926336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6034271108320).

3649606926336 is an abundant number, since it is smaller than the sum of its proper divisors (8418935290304).

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

3649606926336 is an equidigital number, since it uses as much as digits as its factorization.

3649606926336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 136048896, while the sum is 63.

The spelling of 3649606926336 in words is "three trillion, six hundred forty-nine billion, six hundred six million, nine hundred twenty-six thousand, three hundred thirty-six".