619847363941 has 4 divisors (see below), whose sum is σ = 667527930412. Its totient is φ = 572166797472.

The previous prime is 619847363929. The next prime is 619847363963. The reversal of 619847363941 is 149363748916.

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

It can be written as a sum of positive squares in 2 ways, for example, as 380344791841 + 239502572100 = 616721^2 + 489390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-619847363941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 619847363941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (619847363981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23840283216 + ... + 23840283241.

It is an arithmetic number, because the mean of its divisors is an integer number (166881982603).

Almost surely, 2^619847363941 is an apocalyptic number.

It is an amenable number.

619847363941 is a deficient number, since it is larger than the sum of its proper divisors (47680566471).

619847363941 is a wasteful number, since it uses less digits than its factorization.

619847363941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47680566470.

The product of its digits is 23514624, while the sum is 61.

The spelling of 619847363941 in words is "six hundred nineteen billion, eight hundred forty-seven million, three hundred sixty-three thousand, nine hundred forty-one".