7154409489 has 8 divisors (see below), whose sum is σ = 10100342880. Its totient is φ = 4489041216.

The previous prime is 7154409481. The next prime is 7154409499. The reversal of 7154409489 is 9849044517.

7154409489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7154409489 - 2³ = 7154409481 is a prime.

It is a super-2 number, since 2×7154409489² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 140282539 = 7154409489 / (7 + 1 + 5 + 4 + 4 + 0 + 9 + 4 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (7154409481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70141219 + ... + 70141320.

It is an arithmetic number, because the mean of its divisors is an integer number (1262542860).

Almost surely, 2^7154409489 is an apocalyptic number.

It is an amenable number.

7154409489 is a deficient number, since it is larger than the sum of its proper divisors (2945933391).

7154409489 is a wasteful number, since it uses less digits than its factorization.

7154409489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140282559.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 7154409489 is about 84583.7424627215. The cubic root of 7154409489 is about 1926.8944739905.

The spelling of 7154409489 in words is "seven billion, one hundred fifty-four million, four hundred nine thousand, four hundred eighty-nine".