1930923513 has 12 divisors (see below), whose sum is σ = 2848455168. Its totient is φ = 1259893080.

The previous prime is 1930923499. The next prime is 1930923539. The reversal of 1930923513 is 3153290391.

It is not a de Polignac number, because 1930923513 - 2⁵ = 1930923481 is a prime.

It is a super-2 number, since 2×1930923513² = 7456931226112522338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1930928513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2281993 + ... + 2282838.

It is an arithmetic number, because the mean of its divisors is an integer number (237371264).

Almost surely, 2^1930923513 is an apocalyptic number.

It is an amenable number.

1930923513 is a deficient number, since it is larger than the sum of its proper divisors (917531655).

1930923513 is a wasteful number, since it uses less digits than its factorization.

1930923513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564884 (or 4564881 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 1930923513 is about 43942.2747818089. The cubic root of 1930923513 is about 1245.2456224150.

The spelling of 1930923513 in words is "one billion, nine hundred thirty million, nine hundred twenty-three thousand, five hundred thirteen".