5387149189 has 4 divisors (see below), whose sum is σ = 5388194560. Its totient is φ = 5386103820.

The previous prime is 5387149169. The next prime is 5387149219. The reversal of 5387149189 is 9819417835.

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 a cyclic number.

It is not a de Polignac number, because 5387149189 - 2⁹ = 5387148677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387149139) 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, 514917 + ... + 525274.

It is an arithmetic number, because the mean of its divisors is an integer number (1347048640).

Almost surely, 2^5387149189 is an apocalyptic number.

It is an amenable number.

5387149189 is a deficient number, since it is larger than the sum of its proper divisors (1045371).

5387149189 is a wasteful number, since it uses less digits than its factorization.

5387149189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045370.

The product of its digits is 2177280, while the sum is 55.

The square root of 5387149189 is about 73397.2015065970. The cubic root of 5387149189 is about 1753.0178338047.

The spelling of 5387149189 in words is "five billion, three hundred eighty-seven million, one hundred forty-nine thousand, one hundred eighty-nine".