3698031036728 has 32 divisors (see below), whose sum is σ = 7926822021600. Its totient is φ = 1584376484352.

The previous prime is 3698031036727. The next prime is 3698031036761. The reversal of 3698031036728 is 8276301308963.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698031036727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10109525 + ... + 10468932.

It is an arithmetic number, because the mean of its divisors is an integer number (247713188175).

Almost surely, 2^{3698031036728} is an apocalyptic number.

It is an amenable number.

3698031036728 is an abundant number, since it is smaller than the sum of its proper divisors (4228790984872).

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

3698031036728 is a wasteful number, since it uses less digits than its factorization.

3698031036728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20581679 (or 20581675 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 3698031036728 in words is "three trillion, six hundred ninety-eight billion, thirty-one million, thirty-six thousand, seven hundred twenty-eight".