619949212298 has 16 divisors (see below), whose sum is σ = 1002266056680. Its totient is φ = 285899080896.

The previous prime is 619949212283. The next prime is 619949212303. The reversal of 619949212298 is 892212949916.

It can be written as a sum of positive squares in 4 ways, for example, as 604625990929 + 15323221369 = 777577^2 + 123787^2 .

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 619949212298.

It is an unprimeable number.

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, 9605753 + ... + 9670076.

Almost surely, 2^619949212298 is an apocalyptic number.

619949212298 is a deficient number, since it is larger than the sum of its proper divisors (382316844382).

619949212298 is a wasteful number, since it uses less digits than its factorization.

619949212298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19277081.

The product of its digits is 10077696, while the sum is 62.

The spelling of 619949212298 in words is "six hundred nineteen billion, nine hundred forty-nine million, two hundred twelve thousand, two hundred ninety-eight".