28481829101 has 4 divisors (see below), whose sum is σ = 31071086304. Its totient is φ = 25892571900.

The previous prime is 28481829097. The next prime is 28481829113. The reversal of 28481829101 is 10192818482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28481829101 - 2² = 28481829097 is a prime.

It is a super-2 number, since 2×28481829101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28481829001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294628585 + ... + 1294628606.

It is an arithmetic number, because the mean of its divisors is an integer number (7767771576).

Almost surely, 2^28481829101 is an apocalyptic number.

It is an amenable number.

28481829101 is a deficient number, since it is larger than the sum of its proper divisors (2589257203).

28481829101 is a wasteful number, since it uses less digits than its factorization.

28481829101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589257202.

The product of its (nonzero) digits is 73728, while the sum is 44.

The spelling of 28481829101 in words is "twenty-eight billion, four hundred eighty-one million, eight hundred twenty-nine thousand, one hundred one".