28469752201 has 4 divisors (see below), whose sum is σ = 31057911504. Its totient is φ = 25881592900.

The previous prime is 28469752147. The next prime is 28469752271. The reversal of 28469752201 is 10225796482.

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 28469752201 - 2¹⁵ = 28469719433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28469752271) 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, 1294079635 + ... + 1294079656.

It is an arithmetic number, because the mean of its divisors is an integer number (7764477876).

Almost surely, 2^28469752201 is an apocalyptic number.

It is an amenable number.

28469752201 is a deficient number, since it is larger than the sum of its proper divisors (2588159303).

28469752201 is a wasteful number, since it uses less digits than its factorization.

28469752201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588159302.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 28469752201 in words is "twenty-eight billion, four hundred sixty-nine million, seven hundred fifty-two thousand, two hundred one".