5578147969 has 3 divisors (see below), whose sum is σ = 5578222657. Its totient is φ = 5578073282.

The previous prime is 5578147963. The next prime is 5578147987. The reversal of 5578147969 is 9697418755.

The square root of 5578147969 is 74687.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9697418755 = 5 ⋅1939483751.

It is not a de Polignac number, because 5578147969 - 2³ = 5578147961 is a prime.

It is a super-2 number, since 2×5578147969² = 62231469528117649922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5578147961) 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, 37344 + ... + 112030.

Almost surely, 2^5578147969 is an apocalyptic number.

5578147969 is the 74687-th square number.

5578147969 is the 37344-th centered octagonal number.

It is an amenable number.

5578147969 is a deficient number, since it is larger than the sum of its proper divisors (74688).

5578147969 is an frugal number, since it uses more digits than its factorization.

5578147969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149374 (or 74687 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 61.

The cubic root of 5578147969 is about 1773.4951704165.

The spelling of 5578147969 in words is "five billion, five hundred seventy-eight million, one hundred forty-seven thousand, nine hundred sixty-nine".