1930199039 has 4 divisors (see below), whose sum is σ = 1930595256. Its totient is φ = 1929802824.

The previous prime is 1930198993. The next prime is 1930199087. The reversal of 1930199039 is 9309910391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9309910391 = 1627 ⋅5722133.

It is a cyclic number.

It is not a de Polignac number, because 1930199039 - 2¹⁶ = 1930133503 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930199099) 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, 190709 + ... + 200574.

It is an arithmetic number, because the mean of its divisors is an integer number (482648814).

Almost surely, 2^1930199039 is an apocalyptic number.

1930199039 is a deficient number, since it is larger than the sum of its proper divisors (396217).

1930199039 is an equidigital number, since it uses as much as digits as its factorization.

1930199039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396216.

The product of its (nonzero) digits is 59049, while the sum is 44.

The square root of 1930199039 is about 43934.0305344274. The cubic root of 1930199039 is about 1245.0898660421.

The spelling of 1930199039 in words is "one billion, nine hundred thirty million, one hundred ninety-nine thousand, thirty-nine".