28746929758513 has 2 divisors, whose sum is σ = 28746929758514. Its totient is φ = 28746929758512.

The previous prime is 28746929758447. The next prime is 28746929758529. The reversal of 28746929758513 is 31585792964782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28586430970384 + 160498788129 = 5346628^2 + 400623^2 .

It is a cyclic number.

It is not a de Polignac number, because 28746929758513 - 2⁴¹ = 26547906502961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28746929758513.

It is not a weakly prime, because it can be changed into another prime (28746929758913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14373464879256 + 14373464879257.

It is an arithmetic number, because the mean of its divisors is an integer number (14373464879257).

Almost surely, 2^{28746929758513} is an apocalyptic number.

It is an amenable number.

28746929758513 is a deficient number, since it is larger than the sum of its proper divisors (1).

28746929758513 is an equidigital number, since it uses as much as digits as its factorization.

28746929758513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1828915200, while the sum is 76.

The spelling of 28746929758513 in words is "twenty-eight trillion, seven hundred forty-six billion, nine hundred twenty-nine million, seven hundred fifty-eight thousand, five hundred thirteen".