2684213493 has 8 divisors (see below), whose sum is σ = 3854255328. Its totient is φ = 1651823664.

The previous prime is 2684213489. The next prime is 2684213509. The reversal of 2684213493 is 3943124862.

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

It is not a de Polignac number, because 2684213493 - 2² = 2684213489 is a prime.

It is a super-2 number, since 2×2684213493² = 14410004152006522098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684213473) 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 7 ways as a sum of consecutive naturals, for example, 34412955 + ... + 34413032.

It is an arithmetic number, because the mean of its divisors is an integer number (481781916).

Almost surely, 2^2684213493 is an apocalyptic number.

It is an amenable number.

2684213493 is a deficient number, since it is larger than the sum of its proper divisors (1170041835).

2684213493 is a wasteful number, since it uses less digits than its factorization.

2684213493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68826003.

The product of its digits is 248832, while the sum is 42.

The square root of 2684213493 is about 51809.3957984457. The cubic root of 2684213493 is about 1389.7574742060.

The spelling of 2684213493 in words is "two billion, six hundred eighty-four million, two hundred thirteen thousand, four hundred ninety-three".