7489603545 has 16 divisors (see below), whose sum is σ = 11987870400. Its totient is φ = 3992953664.

The previous prime is 7489603519. The next prime is 7489603553. The reversal of 7489603545 is 5453069847.

It is a cyclic number.

It is not a de Polignac number, because 7489603545 - 2⁷ = 7489603417 is a prime.

It is a super-2 number, since 2×7489603545² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52014 + ... + 132983.

It is an arithmetic number, because the mean of its divisors is an integer number (749241900).

Almost surely, 2^7489603545 is an apocalyptic number.

It is an amenable number.

7489603545 is a deficient number, since it is larger than the sum of its proper divisors (4498266855).

7489603545 is a wasteful number, since it uses less digits than its factorization.

7489603545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187704.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The square root of 7489603545 is about 86542.4956018718. The cubic root of 7489603545 is about 1956.5289413370.

The spelling of 7489603545 in words is "seven billion, four hundred eighty-nine million, six hundred three thousand, five hundred forty-five".