1934371243 has 4 divisors (see below), whose sum is σ = 2210710000. Its totient is φ = 1658032488.

The previous prime is 1934371237. The next prime is 1934371259. The reversal of 1934371243 is 3421734391.

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

It is not a de Polignac number, because 1934371243 - 2¹⁷ = 1934240171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1934371223) 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, 138169368 + ... + 138169381.

It is an arithmetic number, because the mean of its divisors is an integer number (552677500).

Almost surely, 2^1934371243 is an apocalyptic number.

1934371243 is a deficient number, since it is larger than the sum of its proper divisors (276338757).

1934371243 is an equidigital number, since it uses as much as digits as its factorization.

1934371243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276338756.

The product of its digits is 54432, while the sum is 37.

The square root of 1934371243 is about 43981.4875032666. The cubic root of 1934371243 is about 1245.9863246285.

The spelling of 1934371243 in words is "one billion, nine hundred thirty-four million, three hundred seventy-one thousand, two hundred forty-three".