2133903963 has 4 divisors (see below), whose sum is σ = 2845205288. Its totient is φ = 1422602640.

The previous prime is 2133903943. The next prime is 2133903973. The reversal of 2133903963 is 3693093312.

It is a happy number.

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

It is not a de Polignac number, because 2133903963 - 2⁶ = 2133903899 is a prime.

It is a super-2 number, since 2×2133903963² = 9107092246614210738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133903943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355650658 + ... + 355650663.

It is an arithmetic number, because the mean of its divisors is an integer number (711301322).

Almost surely, 2^2133903963 is an apocalyptic number.

2133903963 is a deficient number, since it is larger than the sum of its proper divisors (711301325).

2133903963 is an equidigital number, since it uses as much as digits as its factorization.

2133903963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711301324.

The product of its (nonzero) digits is 78732, while the sum is 39.

The square root of 2133903963 is about 46194.1983694922. The cubic root of 2133903963 is about 1287.4339477598.

The spelling of 2133903963 in words is "two billion, one hundred thirty-three million, nine hundred three thousand, nine hundred sixty-three".