15428201657 has 8 divisors (see below), whose sum is σ = 16831752672. Its totient is φ = 14024815200.

The previous prime is 15428201653. The next prime is 15428201687. The reversal of 15428201657 is 75610282451.

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

It is not a de Polignac number, because 15428201657 - 2² = 15428201653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15428201653) 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, 236258 + ... + 294404.

It is an arithmetic number, because the mean of its divisors is an integer number (2103969084).

Almost surely, 2^15428201657 is an apocalyptic number.

It is an amenable number.

15428201657 is a deficient number, since it is larger than the sum of its proper divisors (1403551015).

15428201657 is a wasteful number, since it uses less digits than its factorization.

15428201657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82279.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 15428201657 in words is "fifteen billion, four hundred twenty-eight million, two hundred one thousand, six hundred fifty-seven".