2684385557 has 8 divisors (see below), whose sum is σ = 3150784896. Its totient is φ = 2238715152.

The previous prime is 2684385547. The next prime is 2684385559. The reversal of 2684385557 is 7555834862.

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 2684385557 - 2¹⁸ = 2684123413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2684385499 and 2684385508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684385559) 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, 5181953 + ... + 5182470.

It is an arithmetic number, because the mean of its divisors is an integer number (393848112).

Almost surely, 2^2684385557 is an apocalyptic number.

It is an amenable number.

2684385557 is a deficient number, since it is larger than the sum of its proper divisors (466399339).

2684385557 is a wasteful number, since it uses less digits than its factorization.

2684385557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10364467.

The product of its digits is 8064000, while the sum is 53.

The square root of 2684385557 is about 51811.0563200559. The cubic root of 2684385557 is about 1389.7871690770.

The spelling of 2684385557 in words is "two billion, six hundred eighty-four million, three hundred eighty-five thousand, five hundred fifty-seven".