5349578049 has 6 divisors (see below), whose sum is σ = 7727168306. Its totient is φ = 3566385360.

The previous prime is 5349578009. The next prime is 5349578081. The reversal of 5349578049 is 9408759435.

It can be written as a sum of positive squares in only one way, i.e., 3115314225 + 2234263824 = 55815^2 + 47268^2 .

It is not a de Polignac number, because 5349578049 - 2⁷ = 5349577921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5349577986 and 5349578004.

It is not an unprimeable number, because it can be changed into a prime (5349578009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297198772 + ... + 297198789.

Almost surely, 2^5349578049 is an apocalyptic number.

It is an amenable number.

5349578049 is a deficient number, since it is larger than the sum of its proper divisors (2377590257).

5349578049 is a wasteful number, since it uses less digits than its factorization.

5349578049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594397567 (or 594397564 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The square root of 5349578049 is about 73140.8097371091. The cubic root of 5349578049 is about 1748.9330147824.

The spelling of 5349578049 in words is "five billion, three hundred forty-nine million, five hundred seventy-eight thousand, forty-nine".