28714448501 has 2 divisors, whose sum is σ = 28714448502. Its totient is φ = 28714448500.

The previous prime is 28714448479. The next prime is 28714448551. The reversal of 28714448501 is 10584441782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15592516900 + 13121931601 = 124870^2 + 114551^2 .

It is a cyclic number.

It is not a de Polignac number, because 28714448501 - 2⁶ = 28714448437 is a prime.

It is a super-2 number, since 2×28714448501² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28714448551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14357224250 + 14357224251.

It is an arithmetic number, because the mean of its divisors is an integer number (14357224251).

Almost surely, 2^28714448501 is an apocalyptic number.

It is an amenable number.

28714448501 is a deficient number, since it is larger than the sum of its proper divisors (1).

28714448501 is an equidigital number, since it uses as much as digits as its factorization.

28714448501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 28714448501 in words is "twenty-eight billion, seven hundred fourteen million, four hundred forty-eight thousand, five hundred one".