2646485379 has 20 divisors (see below), whose sum is σ = 3955177336. Its totient is φ = 1763526816.

The previous prime is 2646485371. The next prime is 2646485381. The reversal of 2646485379 is 9735846462.

2646485379 is a `hidden beast` number, since 2 + 64 + 6 + 48 + 537 + 9 = 666.

It is not a de Polignac number, because 2646485379 - 2³ = 2646485371 is a prime.

It is a super-2 number, since 2×2646485379² = 14007769722521547282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2646485371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213732 + ... + 225774.

Almost surely, 2^2646485379 is an apocalyptic number.

2646485379 is a deficient number, since it is larger than the sum of its proper divisors (1308691957).

2646485379 is a wasteful number, since it uses less digits than its factorization.

2646485379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14768 (or 14759 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 2646485379 is about 51444.0023617914. The cubic root of 2646485379 is about 1383.2154557255.

The spelling of 2646485379 in words is "two billion, six hundred forty-six million, four hundred eighty-five thousand, three hundred seventy-nine".