2684487079393 has 4 divisors (see below), whose sum is σ = 3067985233600. Its totient is φ = 2300988925188.

The previous prime is 2684487079367. The next prime is 2684487079403. The reversal of 2684487079393 is 3939707844862.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2684487079393 - 2²¹ = 2684484982241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2684487379393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191749077093 + ... + 191749077106.

It is an arithmetic number, because the mean of its divisors is an integer number (766996308400).

Almost surely, 2^{2684487079393} is an apocalyptic number.

It is an amenable number.

2684487079393 is a deficient number, since it is larger than the sum of its proper divisors (383498154207).

2684487079393 is an equidigital number, since it uses as much as digits as its factorization.

2684487079393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383498154206.

The product of its (nonzero) digits is 438939648, while the sum is 70.

The spelling of 2684487079393 in words is "two trillion, six hundred eighty-four billion, four hundred eighty-seven million, seventy-nine thousand, three hundred ninety-three".