1934133813 has 6 divisors (see below), whose sum is σ = 2793748854. Its totient is φ = 1289422536.

The previous prime is 1934133797. The next prime is 1934133841. The reversal of 1934133813 is 3183314391.

It can be written as a sum of positive squares in only one way, i.e., 1862612964 + 71520849 = 43158^2 + 8457^2 .

It is not a de Polignac number, because 1934133813 - 2⁴ = 1934133797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1934133863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107451870 + ... + 107451887.

It is an arithmetic number, because the mean of its divisors is an integer number (465624809).

Almost surely, 2^1934133813 is an apocalyptic number.

It is an amenable number.

1934133813 is a deficient number, since it is larger than the sum of its proper divisors (859615041).

1934133813 is a wasteful number, since it uses less digits than its factorization.

1934133813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214903763 (or 214903760 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1934133813 is about 43978.7882165937. The cubic root of 1934133813 is about 1245.9353439565.

The spelling of 1934133813 in words is "one billion, nine hundred thirty-four million, one hundred thirty-three thousand, eight hundred thirteen".