619484268461 has 2 divisors, whose sum is σ = 619484268462. Its totient is φ = 619484268460.

The previous prime is 619484268433. The next prime is 619484268539. The reversal of 619484268461 is 164862484916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 611602202500 + 7882065961 = 782050^2 + 88781^2 .

It is a cyclic number.

It is not a de Polignac number, because 619484268461 - 2¹⁴ = 619484252077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 619484268461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (619484265461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309742134230 + 309742134231.

It is an arithmetic number, because the mean of its divisors is an integer number (309742134231).

Almost surely, 2^619484268461 is an apocalyptic number.

It is an amenable number.

619484268461 is a deficient number, since it is larger than the sum of its proper divisors (1).

619484268461 is an equidigital number, since it uses as much as digits as its factorization.

619484268461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15925248, while the sum is 59.

The spelling of 619484268461 in words is "six hundred nineteen billion, four hundred eighty-four million, two hundred sixty-eight thousand, four hundred sixty-one".