2148667492609 has 8 divisors (see below), whose sum is σ = 2344793632128. Its totient is φ = 1952673474960.

The previous prime is 2148667492607. The next prime is 2148667492613. The reversal of 2148667492609 is 9062947668412.

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

It is a cyclic number.

It is not a de Polignac number, because 2148667492609 - 2¹ = 2148667492607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148667492603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32996457 + ... + 33061510.

It is an arithmetic number, because the mean of its divisors is an integer number (293099204016).

Almost surely, 2^{2148667492609} is an apocalyptic number.

It is an amenable number.

2148667492609 is a deficient number, since it is larger than the sum of its proper divisors (196126139519).

2148667492609 is a wasteful number, since it uses less digits than its factorization.

2148667492609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66060935.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 2148667492609 in words is "two trillion, one hundred forty-eight billion, six hundred sixty-seven million, four hundred ninety-two thousand, six hundred nine".