7290561289 has 8 divisors (see below), whose sum is σ = 8168295168. Its totient is φ = 6448653360.

The previous prime is 7290561287. The next prime is 7290561293. The reversal of 7290561289 is 9821650927.

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

It is a cyclic number.

It is not a de Polignac number, because 7290561289 - 2¹ = 7290561287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7290561287) 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, 8956057 + ... + 8956870.

It is an arithmetic number, because the mean of its divisors is an integer number (1021036896).

Almost surely, 2^7290561289 is an apocalyptic number.

It is an amenable number.

7290561289 is a deficient number, since it is larger than the sum of its proper divisors (877733879).

7290561289 is a wasteful number, since it uses less digits than its factorization.

7290561289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17912975.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 7290561289 is about 85384.7837088084. The cubic root of 7290561289 is about 1939.0409835579.

The spelling of 7290561289 in words is "seven billion, two hundred ninety million, five hundred sixty-one thousand, two hundred eighty-nine".