1930885297 has 4 divisors (see below), whose sum is σ = 2106420336. Its totient is φ = 1755350260.

The previous prime is 1930885289. The next prime is 1930885301. The reversal of 1930885297 is 7925880391.

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.

It is a cyclic number.

It is not a de Polignac number, because 1930885297 - 2³ = 1930885289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1930885207) 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, 87767503 + ... + 87767524.

It is an arithmetic number, because the mean of its divisors is an integer number (526605084).

Almost surely, 2^1930885297 is an apocalyptic number.

It is an amenable number.

1930885297 is a deficient number, since it is larger than the sum of its proper divisors (175535039).

1930885297 is a wasteful number, since it uses less digits than its factorization.

1930885297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175535038.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 1930885297 is about 43941.8399364433. The cubic root of 1930885297 is about 1245.2374072405.

The spelling of 1930885297 in words is "one billion, nine hundred thirty million, eight hundred eighty-five thousand, two hundred ninety-seven".