5394198069 has 24 divisors (see below), whose sum is σ = 8617764792. Its totient is φ = 3229787520.

The previous prime is 5394198053. The next prime is 5394198071. The reversal of 5394198069 is 9608914935.

5394198069 is a `hidden beast` number, since 5 + 394 + 198 + 0 + 69 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 624500100 + 4769697969 = 24990^2 + 69063^2 .

It is not a de Polignac number, because 5394198069 - 2⁴ = 5394198053 is a prime.

It is a super-2 number, since 2×5394198069² = 58194745615206657522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5394198869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618702 + ... + 627359.

It is an arithmetic number, because the mean of its divisors is an integer number (359073533).

Almost surely, 2^5394198069 is an apocalyptic number.

It is an amenable number.

5394198069 is a deficient number, since it is larger than the sum of its proper divisors (3223566723).

5394198069 is a wasteful number, since it uses less digits than its factorization.

5394198069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246117 (or 1246114 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 5394198069 is about 73445.2045337202. The cubic root of 5394198069 is about 1753.7820863099.

The spelling of 5394198069 in words is "five billion, three hundred ninety-four million, one hundred ninety-eight thousand, sixty-nine".