2618675354605 has 4 divisors (see below), whose sum is σ = 3142410425532. Its totient is φ = 2094940283680.

The previous prime is 2618675354567. The next prime is 2618675354609. The reversal of 2618675354605 is 5064535768162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 701220337321 + 1917455017284 = 837389^2 + 1384722^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2618675354605 is a prime.

It is a super-2 number, since 2×2618675354605² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2618675354605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2618675354609) 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, 261867535456 + ... + 261867535465.

It is an arithmetic number, because the mean of its divisors is an integer number (785602606383).

Almost surely, 2^{2618675354605} is an apocalyptic number.

It is an amenable number.

2618675354605 is a deficient number, since it is larger than the sum of its proper divisors (523735070927).

2618675354605 is an equidigital number, since it uses as much as digits as its factorization.

2618675354605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523735070926.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 2618675354605 in words is "two trillion, six hundred eighteen billion, six hundred seventy-five million, three hundred fifty-four thousand, six hundred five".