2728493289515 has 16 divisors (see below), whose sum is σ = 3862641192960. Its totient is φ = 1810613057760.

The previous prime is 2728493289493. The next prime is 2728493289517. The reversal of 2728493289515 is 5159823948272.

It is not a de Polignac number, because 2728493289515 - 2¹⁸ = 2728493027371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2728493289517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257369095 + ... + 1257371264.

It is an arithmetic number, because the mean of its divisors is an integer number (241415074560).

Almost surely, 2^{2728493289515} is an apocalyptic number.

2728493289515 is a deficient number, since it is larger than the sum of its proper divisors (1134147903445).

2728493289515 is a wasteful number, since it uses less digits than its factorization.

2728493289515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514740402.

The product of its digits is 87091200, while the sum is 65.

The spelling of 2728493289515 in words is "two trillion, seven hundred twenty-eight billion, four hundred ninety-three million, two hundred eighty-nine thousand, five hundred fifteen".