1930381029 has 6 divisors (see below), whose sum is σ = 2788328166. Its totient is φ = 1286920680.

The previous prime is 1930381009. The next prime is 1930381031. The reversal of 1930381029 is 9201830391.

It can be written as a sum of positive squares in only one way, i.e., 1546612929 + 383768100 = 39327^2 + 19590^2 .

It is not a de Polignac number, because 1930381029 - 2¹¹ = 1930378981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1930380984 and 1930381002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930381009) 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 5 ways as a sum of consecutive naturals, for example, 107243382 + ... + 107243399.

It is an arithmetic number, because the mean of its divisors is an integer number (464721361).

Almost surely, 2^1930381029 is an apocalyptic number.

It is an amenable number.

1930381029 is a deficient number, since it is larger than the sum of its proper divisors (857947137).

1930381029 is a wasteful number, since it uses less digits than its factorization.

1930381029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214486787 (or 214486784 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1930381029 is about 43936.1016591140. The cubic root of 1930381029 is about 1245.1289961662.

The spelling of 1930381029 in words is "one billion, nine hundred thirty million, three hundred eighty-one thousand, twenty-nine".