2618675354657 has 4 divisors (see below), whose sum is σ = 2618678948016. Its totient is φ = 2618671761300.

The previous prime is 2618675354609. The next prime is 2618675354717. The reversal of 2618675354657 is 7564535768162.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2618675354657 - 2³⁰ = 2617601612833 is a prime.

It is a super-2 number, since 2×2618675354657² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2618675354593 and 2618675354602.

It is not an unprimeable number, because it can be changed into a prime (2618675351657) 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, 272603 + ... + 2304704.

It is an arithmetic number, because the mean of its divisors is an integer number (654669737004).

Almost surely, 2^{2618675354657} is an apocalyptic number.

It is an amenable number.

2618675354657 is a deficient number, since it is larger than the sum of its proper divisors (3593359).

2618675354657 is a wasteful number, since it uses less digits than its factorization.

2618675354657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593358.

The product of its digits is 254016000, while the sum is 65.

The spelling of 2618675354657 in words is "two trillion, six hundred eighteen billion, six hundred seventy-five million, three hundred fifty-four thousand, six hundred fifty-seven".