28201539419 has 2 divisors, whose sum is σ = 28201539420. Its totient is φ = 28201539418.

The previous prime is 28201539413. The next prime is 28201539439. The reversal of 28201539419 is 91493510282.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28201539419 is a prime.

It is a super-2 number, since 2×28201539419² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28201539419.

It is not a weakly prime, because it can be changed into another prime (28201539413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14100769709 + 14100769710.

It is an arithmetic number, because the mean of its divisors is an integer number (14100769710).

Almost surely, 2^28201539419 is an apocalyptic number.

28201539419 is a deficient number, since it is larger than the sum of its proper divisors (1).

28201539419 is an equidigital number, since it uses as much as digits as its factorization.

28201539419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 28201539419 in words is "twenty-eight billion, two hundred one million, five hundred thirty-nine thousand, four hundred nineteen".