7452889289 has 4 divisors (see below), whose sum is σ = 7845146640. Its totient is φ = 7060631940.

The previous prime is 7452889271. The next prime is 7452889291. The reversal of 7452889289 is 9829882547.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9829882547 = 79 ⋅124428893.

It is a cyclic number.

It is not a de Polignac number, because 7452889289 - 2²⁸ = 7184453833 is a prime.

It is a super-3 number, since 3×7452889289³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7452889219) 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, 196128647 + ... + 196128684.

It is an arithmetic number, because the mean of its divisors is an integer number (1961286660).

Almost surely, 2^7452889289 is an apocalyptic number.

It is an amenable number.

7452889289 is a deficient number, since it is larger than the sum of its proper divisors (392257351).

7452889289 is a wasteful number, since it uses less digits than its factorization.

7452889289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392257350.

The product of its digits is 23224320, while the sum is 62.

The square root of 7452889289 is about 86330.1180874902. The cubic root of 7452889289 is about 1953.3267157583.

The spelling of 7452889289 in words is "seven billion, four hundred fifty-two million, eight hundred eighty-nine thousand, two hundred eighty-nine".