15428038789 has 8 divisors (see below), whose sum is σ = 15806472192. Its totient is φ = 15049707360.

The previous prime is 15428038753. The next prime is 15428038793. The reversal of 15428038789 is 98783082451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15428038789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15428038799) 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, 346492 + ... + 388474.

It is an arithmetic number, because the mean of its divisors is an integer number (1975809024).

Almost surely, 2^15428038789 is an apocalyptic number.

It is an amenable number.

15428038789 is a deficient number, since it is larger than the sum of its proper divisors (378433403).

15428038789 is an equidigital number, since it uses as much as digits as its factorization.

15428038789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50987.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 15428038789 in words is "fifteen billion, four hundred twenty-eight million, thirty-eight thousand, seven hundred eighty-nine".