2149964306 has 16 divisors (see below), whose sum is σ = 3689245824. Its totient is φ = 920515104.

The previous prime is 2149964293. The next prime is 2149964321. The reversal of 2149964306 is 6034699412.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59870 + ... + 88793.

It is an arithmetic number, because the mean of its divisors is an integer number (230577864).

Almost surely, 2^2149964306 is an apocalyptic number.

2149964306 is a deficient number, since it is larger than the sum of its proper divisors (1539281518).

2149964306 is a wasteful number, since it uses less digits than its factorization.

2149964306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149705.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 2149964306 is about 46367.7075775803. The cubic root of 2149964306 is about 1290.6557381662.

The spelling of 2149964306 in words is "two billion, one hundred forty-nine million, nine hundred sixty-four thousand, three hundred six".