28360499437 has 2 divisors, whose sum is σ = 28360499438. Its totient is φ = 28360499436.

The previous prime is 28360499411. The next prime is 28360499477. The reversal of 28360499437 is 73499406382.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17028684036 + 11331815401 = 130494^2 + 106451^2 .

It is a cyclic number.

It is not a de Polignac number, because 28360499437 - 2³¹ = 26213015789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28360499477) 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, 14180249718 + 14180249719.

It is an arithmetic number, because the mean of its divisors is an integer number (14180249719).

Almost surely, 2^28360499437 is an apocalyptic number.

It is an amenable number.

28360499437 is a deficient number, since it is larger than the sum of its proper divisors (1).

28360499437 is an equidigital number, since it uses as much as digits as its factorization.

28360499437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 28360499437 in words is "twenty-eight billion, three hundred sixty million, four hundred ninety-nine thousand, four hundred thirty-seven".