28913936701 has 8 divisors (see below), whose sum is σ = 31446384984. Its totient is φ = 26425531200.

The previous prime is 28913936699. The next prime is 28913936791. The reversal of 28913936701 is 10763931982.

It can be written as a sum of positive squares in 4 ways, for example, as 5489328100 + 23424608601 = 74090^2 + 153051^2 .

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 28913936701 - 2¹ = 28913936699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28913936791) 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, 11009326 + ... + 11011951.

It is an arithmetic number, because the mean of its divisors is an integer number (3930798123).

Almost surely, 2^28913936701 is an apocalyptic number.

It is an amenable number.

28913936701 is a deficient number, since it is larger than the sum of its proper divisors (2532448283).

28913936701 is a wasteful number, since it uses less digits than its factorization.

28913936701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22021391.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 28913936701 in words is "twenty-eight billion, nine hundred thirteen million, nine hundred thirty-six thousand, seven hundred one".