7953607489 has 9 divisors (see below), whose sum is σ = 8042243619. Its totient is φ = 7865940600.

The previous prime is 7953607421. The next prime is 7953607577. The reversal of 7953607489 is 9847063597.

The square root of 7953607489 is 89183.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7641731889 + 311875600 = 87417^2 + 17660^2 .

It is not a de Polignac number, because 7953607489 - 2¹¹ = 7953605441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7956607489) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9007042 + ... + 9007924.

Almost surely, 2^7953607489 is an apocalyptic number.

7953607489 is the 89183-rd square number.

7953607489 is the 44592-nd centered octagonal number.

It is an amenable number.

7953607489 is a deficient number, since it is larger than the sum of its proper divisors (88636130).

7953607489 is an frugal number, since it uses more digits than its factorization.

7953607489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 58.

The cubic root of 7953607489 is about 1996.1264601043.

The spelling of 7953607489 in words is "seven billion, nine hundred fifty-three million, six hundred seven thousand, four hundred eighty-nine".