2148338956 has 24 divisors (see below), whose sum is σ = 3828319040. Its totient is φ = 1054684800.

The previous prime is 2148338947. The next prime is 2148338963. The reversal of 2148338956 is 6598338412.

2148338956 = T₁₇₃ + T₁₇₄ + ... + T₂₃₄₄.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38416 + ... + 75976.

Almost surely, 2^2148338956 is an apocalyptic number.

It is an amenable number.

2148338956 is a deficient number, since it is larger than the sum of its proper divisors (1679980084).

2148338956 is a wasteful number, since it uses less digits than its factorization.

2148338956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37825 (or 37823 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 2148338956 is about 46350.1775185382. The cubic root of 2148338956 is about 1290.3304155317.

The spelling of 2148338956 in words is "two billion, one hundred forty-eight million, three hundred thirty-eight thousand, nine hundred fifty-six".