3495789648 has 240 divisors, whose sum is σ = 11070958080. Its totient is φ = 1022284800.

The previous prime is 3495789643. The next prime is 3495789673. The reversal of 3495789648 is 8469875943.

3495789648 is a `hidden beast` number, since 3 + 495 + 7 + 89 + 64 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3495789643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3423378 + ... + 3424398.

It is an arithmetic number, because the mean of its divisors is an integer number (46128992).

Almost surely, 2^3495789648 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 3495789648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5535479040).

3495789648 is an abundant number, since it is smaller than the sum of its proper divisors (7575168432).

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

3495789648 is a wasteful number, since it uses less digits than its factorization.

3495789648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1129 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 3495789648 is about 59125.2031539850. The cubic root of 3495789648 is about 1517.6854269603.

The spelling of 3495789648 in words is "three billion, four hundred ninety-five million, seven hundred eighty-nine thousand, six hundred forty-eight".