1939682463 has 4 divisors (see below), whose sum is σ = 2586243288. Its totient is φ = 1293121640.

The previous prime is 1939682449. The next prime is 1939682467. The reversal of 1939682463 is 3642869391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1939682463 - 2²⁹ = 1402811551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939682467) 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 3 ways as a sum of consecutive naturals, for example, 323280408 + ... + 323280413.

It is an arithmetic number, because the mean of its divisors is an integer number (646560822).

Almost surely, 2^1939682463 is an apocalyptic number.

1939682463 is a deficient number, since it is larger than the sum of its proper divisors (646560825).

1939682463 is an equidigital number, since it uses as much as digits as its factorization.

1939682463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646560824.

The product of its digits is 1679616, while the sum is 51.

The square root of 1939682463 is about 44041.8262904707. The cubic root of 1939682463 is about 1247.1256543491.

The spelling of 1939682463 in words is "one billion, nine hundred thirty-nine million, six hundred eighty-two thousand, four hundred sixty-three".