7098336561 has 4 divisors (see below), whose sum is σ = 9464448752. Its totient is φ = 4732224372.

The previous prime is 7098336547. The next prime is 7098336563. The reversal of 7098336561 is 1656338907.

It is a happy number.

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.

It is not a de Polignac number, because 7098336561 - 2³¹ = 4950852913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7098336561.

It is not an unprimeable number, because it can be changed into a prime (7098336563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183056091 + ... + 1183056096.

It is an arithmetic number, because the mean of its divisors is an integer number (2366112188).

Almost surely, 2^7098336561 is an apocalyptic number.

It is an amenable number.

7098336561 is a deficient number, since it is larger than the sum of its proper divisors (2366112191).

7098336561 is a wasteful number, since it uses less digits than its factorization.

7098336561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366112190.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 7098336561 is about 84251.6264590779. The cubic root of 7098336561 is about 1921.8472312699.

The spelling of 7098336561 in words is "seven billion, ninety-eight million, three hundred thirty-six thousand, five hundred sixty-one".