7098144385 has 8 divisors (see below), whose sum is σ = 9018818856. Its totient is φ = 5344485120.

The previous prime is 7098144373. The next prime is 7098144413. The reversal of 7098144385 is 5834418907.

It can be written as a sum of positive squares in 4 ways, for example, as 639128961 + 6459015424 = 25281^2 + 80368^2 .

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

It is not a de Polignac number, because 7098144385 - 2⁵ = 7098144353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41753706 + ... + 41753875.

It is an arithmetic number, because the mean of its divisors is an integer number (1127352357).

Almost surely, 2^7098144385 is an apocalyptic number.

It is an amenable number.

7098144385 is a deficient number, since it is larger than the sum of its proper divisors (1920674471).

7098144385 is a wasteful number, since it uses less digits than its factorization.

7098144385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83507603.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 7098144385 is about 84250.4859629901. The cubic root of 7098144385 is about 1921.8298874766.

The spelling of 7098144385 in words is "seven billion, ninety-eight million, one hundred forty-four thousand, three hundred eighty-five".