1934031893 has 4 divisors (see below), whose sum is σ = 1934224320. Its totient is φ = 1933839468.

The previous prime is 1934031863. The next prime is 1934031919. The reversal of 1934031893 is 3981304391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3981304391 = 3727 ⋅1068233.

It is a cyclic number.

It is not a de Polignac number, because 1934031893 - 2¹⁰ = 1934030869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1934031893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1934031863) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 80255 + ... + 101532.

It is an arithmetic number, because the mean of its divisors is an integer number (483556080).

Almost surely, 2^1934031893 is an apocalyptic number.

It is an amenable number.

1934031893 is a deficient number, since it is larger than the sum of its proper divisors (192427).

1934031893 is a wasteful number, since it uses less digits than its factorization.

1934031893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192426.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1934031893 is about 43977.6294608975. The cubic root of 1934031893 is about 1245.9134585420.

The spelling of 1934031893 in words is "one billion, nine hundred thirty-four million, thirty-one thousand, eight hundred ninety-three".