28601742919 has 2 divisors, whose sum is σ = 28601742920. Its totient is φ = 28601742918.

The previous prime is 28601742907. The next prime is 28601743003. The reversal of 28601742919 is 91924710682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28601742919 - 2⁷ = 28601742791 is a prime.

It is a super-2 number, since 2×28601742919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28601742019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14300871459 + 14300871460.

It is an arithmetic number, because the mean of its divisors is an integer number (14300871460).

Almost surely, 2^28601742919 is an apocalyptic number.

28601742919 is a deficient number, since it is larger than the sum of its proper divisors (1).

28601742919 is an equidigital number, since it uses as much as digits as its factorization.

28601742919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 28601742919 in words is "twenty-eight billion, six hundred one million, seven hundred forty-two thousand, nine hundred nineteen".