619128963 has 6 divisors (see below), whose sum is σ = 894297404. Its totient is φ = 412752636.

The previous prime is 619128943. The next prime is 619128971. The reversal of 619128963 is 369821916.

It is a happy number.

619128963 is a `hidden beast` number, since 619 + 1 + 28 + 9 + 6 + 3 = 666.

It is not a de Polignac number, because 619128963 - 2¹³ = 619120771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (619128943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34396045 + ... + 34396062.

Almost surely, 2^619128963 is an apocalyptic number.

619128963 is a deficient number, since it is larger than the sum of its proper divisors (275168441).

619128963 is a wasteful number, since it uses less digits than its factorization.

619128963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68792113 (or 68792110 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 619128963 is about 24882.3022045791. The cubic root of 619128963 is about 852.3023913403.

The spelling of 619128963 in words is "six hundred nineteen million, one hundred twenty-eight thousand, nine hundred sixty-three".