919798463 has 4 divisors (see below), whose sum is σ = 921234048. Its totient is φ = 918362880.

The previous prime is 919798457. The next prime is 919798483. The reversal of 919798463 is 364897919.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364897919 = 79 ⋅4618961.

It is a cyclic number.

It is not a de Polignac number, because 919798463 - 2¹⁴ = 919782079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 919798399 and 919798408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919798403) 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 3 ways as a sum of consecutive naturals, for example, 716831 + ... + 718112.

It is an arithmetic number, because the mean of its divisors is an integer number (230308512).

Almost surely, 2^919798463 is an apocalyptic number.

919798463 is a deficient number, since it is larger than the sum of its proper divisors (1435585).

919798463 is a wasteful number, since it uses less digits than its factorization.

919798463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435584.

The product of its digits is 2939328, while the sum is 56.

The square root of 919798463 is about 30328.1793551806. The cubic root of 919798463 is about 972.5178019620.

The spelling of 919798463 in words is "nine hundred nineteen million, seven hundred ninety-eight thousand, four hundred sixty-three".