1912063505 has 8 divisors (see below), whose sum is σ = 2503065024. Its totient is φ = 1390591600.

The previous prime is 1912063481. The next prime is 1912063507. The reversal of 1912063505 is 5053602191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1912063505 - 2²⁶ = 1844954641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1912063507) 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 7 ways as a sum of consecutive naturals, for example, 17382341 + ... + 17382450.

It is an arithmetic number, because the mean of its divisors is an integer number (312883128).

Almost surely, 2^1912063505 is an apocalyptic number.

It is an amenable number.

1912063505 is a deficient number, since it is larger than the sum of its proper divisors (591001519).

1912063505 is a wasteful number, since it uses less digits than its factorization.

1912063505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34764807.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1912063505 is about 43727.1483748941. The cubic root of 1912063505 is about 1241.1781001350.

Adding to 1912063505 its reverse (5053602191), we get a palindrome (6965665696).

The spelling of 1912063505 in words is "one billion, nine hundred twelve million, sixty-three thousand, five hundred five".