3749428608 has 128 divisors (see below), whose sum is σ = 10745226720. Its totient is φ = 1153990656.

The previous prime is 3749428577. The next prime is 3749428663. The reversal of 3749428608 is 8068249473.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340566 + ... + 351402.

Almost surely, 2^3749428608 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 3749428608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5372613360).

3749428608 is an abundant number, since it is smaller than the sum of its proper divisors (6995798112).

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

3749428608 is a wasteful number, since it uses less digits than its factorization.

3749428608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924 (or 10912 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 3749428608 is about 61232.5779957042. The cubic root of 3749428608 is about 1553.5373401778.

The spelling of 3749428608 in words is "three billion, seven hundred forty-nine million, four hundred twenty-eight thousand, six hundred eight".