3988303428545 has 8 divisors (see below), whose sum is σ = 4794117378624. Its totient is φ = 3185207233264.

The previous prime is 3988303428521. The next prime is 3988303428563. The reversal of 3988303428545 is 5458243038893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3988303428545 - 2¹⁴ = 3988303412161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679435469 + ... + 679441338.

It is an arithmetic number, because the mean of its divisors is an integer number (599264672328).

Almost surely, 2^{3988303428545} is an apocalyptic number.

It is an amenable number.

3988303428545 is a deficient number, since it is larger than the sum of its proper divisors (805813950079).

3988303428545 is a wasteful number, since it uses less digits than its factorization.

3988303428545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358877399.

The product of its (nonzero) digits is 99532800, while the sum is 62.

The spelling of 3988303428545 in words is "three trillion, nine hundred eighty-eight billion, three hundred three million, four hundred twenty-eight thousand, five hundred forty-five".