2653966946 has 8 divisors (see below), whose sum is σ = 3982731984. Its totient is φ = 1326389620.

The previous prime is 2653966921. The next prime is 2653966957. The reversal of 2653966946 is 6496693562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2653966891 and 2653966900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291320 + ... + 300291.

It is an arithmetic number, because the mean of its divisors is an integer number (497841498).

Almost surely, 2^2653966946 is an apocalyptic number.

2653966946 is a deficient number, since it is larger than the sum of its proper divisors (1328765038).

2653966946 is a wasteful number, since it uses less digits than its factorization.

2653966946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593856.

The product of its digits is 12597120, while the sum is 56.

The square root of 2653966946 is about 51516.6666817643. Note that the first 4 decimals coincide. The cubic root of 2653966946 is about 1384.5176711958.

The spelling of 2653966946 in words is "two billion, six hundred fifty-three million, nine hundred sixty-six thousand, nine hundred forty-six".