7421602909 has 16 divisors (see below), whose sum is σ = 9019340928. Its totient is φ = 5961457152.

The previous prime is 7421602849. The next prime is 7421602921. The reversal of 7421602909 is 9092061247.

It is not a de Polignac number, because 7421602909 - 2²³ = 7413214301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421602999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106107 + ... + 161560.

It is an arithmetic number, because the mean of its divisors is an integer number (563708808).

Almost surely, 2^7421602909 is an apocalyptic number.

It is an amenable number.

7421602909 is a deficient number, since it is larger than the sum of its proper divisors (1597738019).

7421602909 is a wasteful number, since it uses less digits than its factorization.

7421602909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267924.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 7421602909 is about 86148.7255216234. The cubic root of 7421602909 is about 1950.5896011538.

The spelling of 7421602909 in words is "seven billion, four hundred twenty-one million, six hundred two thousand, nine hundred nine".