7154418961 has 4 divisors (see below), whose sum is σ = 7289408052. Its totient is φ = 7019429872.

The previous prime is 7154418949. The next prime is 7154419033. The reversal of 7154418961 is 1698144517.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2994168961 + 4160250000 = 54719^2 + 64500^2 .

It is a cyclic number.

It is not a de Polignac number, because 7154418961 - 2²⁵ = 7120864529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7152418961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67494466 + ... + 67494571.

It is an arithmetic number, because the mean of its divisors is an integer number (1822352013).

Almost surely, 2^7154418961 is an apocalyptic number.

It is an amenable number.

7154418961 is a deficient number, since it is larger than the sum of its proper divisors (134989091).

7154418961 is a wasteful number, since it uses less digits than its factorization.

7154418961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134989090.

The product of its digits is 241920, while the sum is 46.

The square root of 7154418961 is about 84583.7984545504. The cubic root of 7154418961 is about 1926.8953243535.

The spelling of 7154418961 in words is "seven billion, one hundred fifty-four million, four hundred eighteen thousand, nine hundred sixty-one".