7428118141 has 4 divisors (see below), whose sum is σ = 7428325500. Its totient is φ = 7427910784.

The previous prime is 7428118129. The next prime is 7428118199. The reversal of 7428118141 is 1418118247.

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 774453241 + 6653664900 = 27829^2 + 81570^2 .

It is a cyclic number.

It is not a de Polignac number, because 7428118141 - 2¹¹ = 7428116093 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 7428118141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428118441) 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, 34606 + ... + 126703.

It is an arithmetic number, because the mean of its divisors is an integer number (1857081375).

Almost surely, 2^7428118141 is an apocalyptic number.

It is an amenable number.

7428118141 is a deficient number, since it is larger than the sum of its proper divisors (207359).

7428118141 is a wasteful number, since it uses less digits than its factorization.

7428118141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207358.

The product of its digits is 14336, while the sum is 37.

The square root of 7428118141 is about 86186.5310880998. The cubic root of 7428118141 is about 1951.1602248193.

The spelling of 7428118141 in words is "seven billion, four hundred twenty-eight million, one hundred eighteen thousand, one hundred forty-one".