3495663394740 has 384 divisors, whose sum is σ = 12369892147200. Its totient is φ = 811764011520.

The previous prime is 3495663394681. The next prime is 3495663394781. The reversal of 3495663394740 is 474933665943.

It is a happy number.

3495663394740 is a `hidden beast` number, since 3 + 495 + 6 + 63 + 3 + 9 + 47 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21797127 + ... + 21956913.

It is an arithmetic number, because the mean of its divisors is an integer number (32213260800).

Almost surely, 2^{3495663394740} is an apocalyptic number.

3495663394740 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 3495663394740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6184946073600).

3495663394740 is an abundant number, since it is smaller than the sum of its proper divisors (8874228752460).

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

3495663394740 is a wasteful number, since it uses less digits than its factorization.

3495663394740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159972 (or 159964 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 63.

The spelling of 3495663394740 in words is "three trillion, four hundred ninety-five billion, six hundred sixty-three million, three hundred ninety-four thousand, seven hundred forty".