1863968495 has 16 divisors (see below), whose sum is σ = 2386748640. Its totient is φ = 1393334784.

The previous prime is 1863968489. The next prime is 1863968503. The reversal of 1863968495 is 5948693681.

It is a cyclic number.

It is not a de Polignac number, because 1863968495 - 2⁴ = 1863968479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127454 + ... + 141323.

It is an arithmetic number, because the mean of its divisors is an integer number (149171790).

Almost surely, 2^1863968495 is an apocalyptic number.

1863968495 is a deficient number, since it is larger than the sum of its proper divisors (522780145).

1863968495 is a wasteful number, since it uses less digits than its factorization.

1863968495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268874.

The product of its digits is 11197440, while the sum is 59.

The square root of 1863968495 is about 43173.7014280685. The cubic root of 1863968495 is about 1230.6829650590.

The spelling of 1863968495 in words is "one billion, eight hundred sixty-three million, nine hundred sixty-eight thousand, four hundred ninety-five".