7481442409 has 8 divisors (see below), whose sum is σ = 8555958720. Its totient is φ = 6408360816.

The previous prime is 7481442407. The next prime is 7481442457. The reversal of 7481442409 is 9042441847.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7481442409 - 2¹ = 7481442407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7481442407) 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 7 ways as a sum of consecutive naturals, for example, 347479 + ... + 368380.

It is an arithmetic number, because the mean of its divisors is an integer number (1069494840).

Almost surely, 2^7481442409 is an apocalyptic number.

It is an amenable number.

7481442409 is a deficient number, since it is larger than the sum of its proper divisors (1074516311).

7481442409 is a wasteful number, since it uses less digits than its factorization.

7481442409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717359.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 7481442409 is about 86495.3317179604. The cubic root of 7481442409 is about 1955.8180313437.

The spelling of 7481442409 in words is "seven billion, four hundred eighty-one million, four hundred forty-two thousand, four hundred nine".