6919411489 has 9 divisors (see below), whose sum is σ = 6971624499. Its totient is φ = 6867588480.

The previous prime is 6919411459. The next prime is 6919411493. The reversal of 6919411489 is 9841149196.

The square root of 6919411489 is 83183.

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., 1676493025 + 5242918464 = 40945^2 + 72408^2 .

It is not a de Polignac number, because 6919411489 - 2¹⁵ = 6919378721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6919411459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16054104 + ... + 16054534.

Almost surely, 2^6919411489 is an apocalyptic number.

6919411489 is the 83183-rd square number.

6919411489 is the 41592-nd centered octagonal number.

It is an amenable number.

6919411489 is a deficient number, since it is larger than the sum of its proper divisors (52213010).

6919411489 is an frugal number, since it uses more digits than its factorization.

6919411489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 624 counting only the distinct ones).

The product of its digits is 559872, while the sum is 52.

The cubic root of 6919411489 is about 1905.5618643800.

The spelling of 6919411489 in words is "six billion, nine hundred nineteen million, four hundred eleven thousand, four hundred eighty-nine".