1936213694 has 4 divisors (see below), whose sum is σ = 2904320544. Its totient is φ = 968106846.

The previous prime is 1936213687. The next prime is 1936213703. The reversal of 1936213694 is 4963126391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4963126391 = 131 ⋅37886461.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484053422 + ... + 484053425.

It is an arithmetic number, because the mean of its divisors is an integer number (726080136).

Almost surely, 2^1936213694 is an apocalyptic number.

1936213694 is a deficient number, since it is larger than the sum of its proper divisors (968106850).

1936213694 is an equidigital number, since it uses as much as digits as its factorization.

1936213694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968106849.

The product of its digits is 209952, while the sum is 44.

The square root of 1936213694 is about 44002.4282739032. The cubic root of 1936213694 is about 1246.3817916799.

The spelling of 1936213694 in words is "one billion, nine hundred thirty-six million, two hundred thirteen thousand, six hundred ninety-four".