619342242289 has 3 divisors (see below), whose sum is σ = 619343029273. Its totient is φ = 619341455306.

The previous prime is 619342242173. The next prime is 619342242313. The reversal of 619342242289 is 982242243916.

It is a happy number.

The square root of 619342242289 is 786983.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 619342242289 - 2⁷ = 619342242161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (619342242889) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 393492 + ... + 1180474.

Almost surely, 2^619342242289 is an apocalyptic number.

619342242289 is the 786983-rd square number.

619342242289 is the 393492-nd centered octagonal number.

It is an amenable number.

619342242289 is a deficient number, since it is larger than the sum of its proper divisors (786984).

619342242289 is an frugal number, since it uses more digits than its factorization.

619342242289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573966 (or 786983 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 619342242289 in words is "six hundred nineteen billion, three hundred forty-two million, two hundred forty-two thousand, two hundred eighty-nine".