28241740953 has 6 divisors (see below), whose sum is σ = 40793625834. Its totient is φ = 18827827296.

The previous prime is 28241740949. The next prime is 28241740987. The reversal of 28241740953 is 35904714282.

It can be written as a sum of positive squares in only one way, i.e., 21117030489 + 7124710464 = 145317^2 + 84408^2 .

It is not a de Polignac number, because 28241740953 - 2² = 28241740949 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28241740899 and 28241740908.

It is not an unprimeable number, because it can be changed into a prime (28241740903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1568985600 + ... + 1568985617.

It is an arithmetic number, because the mean of its divisors is an integer number (6798937639).

Almost surely, 2^28241740953 is an apocalyptic number.

It is an amenable number.

28241740953 is a deficient number, since it is larger than the sum of its proper divisors (12551884881).

28241740953 is a wasteful number, since it uses less digits than its factorization.

28241740953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137971223 (or 3137971220 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 28241740953 in words is "twenty-eight billion, two hundred forty-one million, seven hundred forty thousand, nine hundred fifty-three".