7434319661 has 8 divisors (see below), whose sum is σ = 7517331360. Its totient is φ = 7351558768.

The previous prime is 7434319643. The next prime is 7434319681. The reversal of 7434319661 is 1669134347.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7434319661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7434319681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2771 + ... + 121968.

It is an arithmetic number, because the mean of its divisors is an integer number (939666420).

Almost surely, 2^7434319661 is an apocalyptic number.

It is an amenable number.

7434319661 is a deficient number, since it is larger than the sum of its proper divisors (83011699).

7434319661 is a wasteful number, since it uses less digits than its factorization.

7434319661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125403.

The product of its digits is 326592, while the sum is 44.

The square root of 7434319661 is about 86222.5008973876. The cubic root of 7434319661 is about 1951.7030627733.

The spelling of 7434319661 in words is "seven billion, four hundred thirty-four million, three hundred nineteen thousand, six hundred sixty-one".