3728563698 has 64 divisors (see below), whose sum is σ = 7943080320. Its totient is φ = 1164710400.

The previous prime is 3728563693. The next prime is 3728563801. The reversal of 3728563698 is 8963658273.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3728563691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1504036 + ... + 1506512.

It is an arithmetic number, because the mean of its divisors is an integer number (124110630).

Almost surely, 2^3728563698 is an apocalyptic number.

3728563698 is an abundant number, since it is smaller than the sum of its proper divisors (4214516622).

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

3728563698 is a wasteful number, since it uses less digits than its factorization.

3728563698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763.

The product of its digits is 13063680, while the sum is 57.

The square root of 3728563698 is about 61061.9660508896. The cubic root of 3728563698 is about 1550.6502575848.

The spelling of 3728563698 in words is "three billion, seven hundred twenty-eight million, five hundred sixty-three thousand, six hundred ninety-eight".