3689126622720 has 960 divisors, whose sum is σ = 16519303696896. Its totient is φ = 766561812480.

The previous prime is 3689126622719. The next prime is 3689126622739. The reversal of 3689126622720 is 272266219863.

3689126622720 is a `hidden beast` number, since 3 + 6 + 8 + 9 + 1 + 2 + 6 + 622 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-2 number, since 2×3689126622720² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 in 95 ways as a sum of consecutive naturals, for example, 47861652 + ... + 47938668.

Almost surely, 2^{3689126622720} is an apocalyptic number.

3689126622720 is a gapful number since it is divisible by the number (30) 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 3689126622720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8259651848448).

3689126622720 is an abundant number, since it is smaller than the sum of its proper divisors (12830177074176).

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

3689126622720 is an equidigital number, since it uses as much as digits as its factorization.

3689126622720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77073 (or 77045 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 3689126622720 in words is "three trillion, six hundred eighty-nine billion, one hundred twenty-six million, six hundred twenty-two thousand, seven hundred twenty".