28901639360669 has 16 divisors (see below), whose sum is σ = 29386733310720. Its totient is φ = 28419707796480.

The previous prime is 28901639360651. The next prime is 28901639360683. The reversal of 28901639360669 is 96606393610982.

It is a cyclic number.

It is not a de Polignac number, because 28901639360669 - 2⁴⁰ = 27802127732893 is a prime.

It is a super-2 number, since 2×28901639360669² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28901639360599 and 28901639360608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28901639362669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24340109 + ... + 25499885.

It is an arithmetic number, because the mean of its divisors is an integer number (1836670831920).

Almost surely, 2^{28901639360669} is an apocalyptic number.

It is an amenable number.

28901639360669 is a deficient number, since it is larger than the sum of its proper divisors (485093950051).

28901639360669 is a wasteful number, since it uses less digits than its factorization.

28901639360669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161140.

The product of its (nonzero) digits is 136048896, while the sum is 68.

The spelling of 28901639360669 in words is "twenty-eight trillion, nine hundred one billion, six hundred thirty-nine million, three hundred sixty thousand, six hundred sixty-nine".