619611419716 has 9 divisors (see below), whose sum is σ = 1084322739549. Its totient is φ = 309804922704.

The previous prime is 619611419711. The next prime is 619611419717. The reversal of 619611419716 is 617914116916.

The square root of 619611419716 is 787154.

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

It can be written as a sum of positive squares in only one way, i.e., 360636280900 + 258975138816 = 600530^2 + 508896^2 .

It is a super-2 number, since 2×619611419716² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (619611419711) 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, 1377520 + ... + 1771096.

Almost surely, 2^619611419716 is an apocalyptic number.

619611419716 is the 787154-th square number.

It is an amenable number.

619611419716 is a deficient number, since it is larger than the sum of its proper divisors (464711319833).

619611419716 is an frugal number, since it uses more digits than its factorization.

619611419716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787158 (or 393579 counting only the distinct ones).

The product of its digits is 489888, while the sum is 52.

The spelling of 619611419716 in words is "six hundred nineteen billion, six hundred eleven million, four hundred nineteen thousand, seven hundred sixteen".