5398209249 has 4 divisors (see below), whose sum is σ = 7197612336. Its totient is φ = 3598806164.

The previous prime is 5398209247. The next prime is 5398209251. The reversal of 5398209249 is 9429028935.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (5398209247) and next prime (5398209251).

It is a cyclic number.

It is not a de Polignac number, because 5398209249 - 2¹ = 5398209247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5398209247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899701539 + ... + 899701544.

It is an arithmetic number, because the mean of its divisors is an integer number (1799403084).

Almost surely, 2^5398209249 is an apocalyptic number.

It is an amenable number.

5398209249 is a deficient number, since it is larger than the sum of its proper divisors (1799403087).

5398209249 is a wasteful number, since it uses less digits than its factorization.

5398209249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799403086.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 5398209249 is about 73472.5067559288. The cubic root of 5398209249 is about 1754.2166886090.

The spelling of 5398209249 in words is "five billion, three hundred ninety-eight million, two hundred nine thousand, two hundred forty-nine".