3694426300728 has 192 divisors, whose sum is σ = 10591233213600. Its totient is φ = 1160155975680.

The previous prime is 3694426300687. The next prime is 3694426300751. The reversal of 3694426300728 is 8270036244963.

3694426300728 is a `hidden beast` number, since 36 + 94 + 426 + 30 + 0 + 72 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197416300 + ... + 197435012.

Almost surely, 2^{3694426300728} is an apocalyptic number.

3694426300728 is a gapful number since it is divisible by the number (38) 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 3694426300728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5295616606800).

3694426300728 is an abundant number, since it is smaller than the sum of its proper divisors (6896806912872).

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

3694426300728 is a wasteful number, since it uses less digits than its factorization.

3694426300728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19542 (or 19535 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 54.

The spelling of 3694426300728 in words is "three trillion, six hundred ninety-four billion, four hundred twenty-six million, three hundred thousand, seven hundred twenty-eight".