7409161605 has 8 divisors (see below), whose sum is σ = 11854658592. Its totient is φ = 3951552848.

The previous prime is 7409161601. The next prime is 7409161609. The reversal of 7409161605 is 5061619047.

7409161605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7409161601) and next prime (7409161609).

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 7409161605 - 2² = 7409161601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7409161601) 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, 246972039 + ... + 246972068.

It is an arithmetic number, because the mean of its divisors is an integer number (1481832324).

Almost surely, 2^7409161605 is an apocalyptic number.

It is an amenable number.

7409161605 is a deficient number, since it is larger than the sum of its proper divisors (4445496987).

7409161605 is a wasteful number, since it uses less digits than its factorization.

7409161605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493944115.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 7409161605 is about 86076.4869462038. The cubic root of 7409161605 is about 1949.4990258094.

The spelling of 7409161605 in words is "seven billion, four hundred nine million, one hundred sixty-one thousand, six hundred five".