7546409489 has 8 divisors (see below), whose sum is σ = 7558629120. Its totient is φ = 7534202256.

The previous prime is 7546409461. The next prime is 7546409501. The reversal of 7546409489 is 9849046457.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7546409489 is a prime.

It is a super-2 number, since 2×7546409489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7546409419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2696639 + ... + 2699435.

It is an arithmetic number, because the mean of its divisors is an integer number (944828640).

Almost surely, 2^7546409489 is an apocalyptic number.

It is an amenable number.

7546409489 is a deficient number, since it is larger than the sum of its proper divisors (12219631).

7546409489 is a wasteful number, since it uses less digits than its factorization.

7546409489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The square root of 7546409489 is about 86870.0724588163. The cubic root of 7546409489 is about 1961.4630102321.

The spelling of 7546409489 in words is "seven billion, five hundred forty-six million, four hundred nine thousand, four hundred eighty-nine".