3500681749488 has 360 divisors, whose sum is σ = 12385490548704. Its totient is φ = 903471528960.

The previous prime is 3500681749471. The next prime is 3500681749619. The reversal of 3500681749488 is 8849471860053.

3500681749488 is a `hidden beast` number, since 3 + 5 + 0 + 0 + 6 + 81 + 74 + 9 + 488 = 666.

It is a super-2 number, since 2×3500681749488² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19057570 + ... + 19240382.

Almost surely, 2^{3500681749488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3500681749488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6192745274352).

3500681749488 is an abundant number, since it is smaller than the sum of its proper divisors (8884808799216).

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

3500681749488 is a wasteful number, since it uses less digits than its factorization.

3500681749488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183013 (or 182993 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 3500681749488 in words is "three trillion, five hundred billion, six hundred eighty-one million, seven hundred forty-nine thousand, four hundred eighty-eight".