2148730743815 has 8 divisors (see below), whose sum is σ = 2580907131648. Its totient is φ = 1717364435680.

The previous prime is 2148730743799. The next prime is 2148730743881. The reversal of 2148730743815 is 5183470378412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2148730743815 - 2⁴ = 2148730743799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 202514087 + ... + 202524696.

It is an arithmetic number, because the mean of its divisors is an integer number (322613391456).

Almost surely, 2^{2148730743815} is an apocalyptic number.

2148730743815 is a deficient number, since it is larger than the sum of its proper divisors (432176387833).

2148730743815 is a wasteful number, since it uses less digits than its factorization.

2148730743815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405039849.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 2148730743815 in words is "two trillion, one hundred forty-eight billion, seven hundred thirty million, seven hundred forty-three thousand, eight hundred fifteen".