7161490389 has 16 divisors (see below), whose sum is σ = 9882063360. Its totient is φ = 4608415680.

The previous prime is 7161490379. The next prime is 7161490409. The reversal of 7161490389 is 9830941617.

It is a happy number.

It is not a de Polignac number, because 7161490389 - 2¹⁹ = 7160966101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161490339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62802 + ... + 135155.

It is an arithmetic number, because the mean of its divisors is an integer number (617628960).

Almost surely, 2^7161490389 is an apocalyptic number.

It is an amenable number.

7161490389 is a deficient number, since it is larger than the sum of its proper divisors (2720572971).

7161490389 is a wasteful number, since it uses less digits than its factorization.

7161490389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198380.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 7161490389 is about 84625.5894455099. The cubic root of 7161490389 is about 1927.5299631134.

The spelling of 7161490389 in words is "seven billion, one hundred sixty-one million, four hundred ninety thousand, three hundred eighty-nine".