2649418355 has 4 divisors (see below), whose sum is σ = 3179302032. Its totient is φ = 2119534680.

The previous prime is 2649418301. The next prime is 2649418381. The reversal of 2649418355 is 5538149462.

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

It is not a de Polignac number, because 2649418355 - 2²² = 2645224051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264941831 + ... + 264941840.

It is an arithmetic number, because the mean of its divisors is an integer number (794825508).

Almost surely, 2^2649418355 is an apocalyptic number.

2649418355 is a deficient number, since it is larger than the sum of its proper divisors (529883677).

2649418355 is an equidigital number, since it uses as much as digits as its factorization.

2649418355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529883676.

The product of its digits is 1036800, while the sum is 47.

The square root of 2649418355 is about 51472.5009592501. The cubic root of 2649418355 is about 1383.7262514125.

The spelling of 2649418355 in words is "two billion, six hundred forty-nine million, four hundred eighteen thousand, three hundred fifty-five".