9420463661 has 8 divisors (see below), whose sum is σ = 10778813760. Its totient is φ = 8065255968.

The previous prime is 9420463639. The next prime is 9420463709. The reversal of 9420463661 is 1663640249.

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

It is not a de Polignac number, because 9420463661 - 2⁶ = 9420463597 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 (9420463601) 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, 779171 + ... + 791168.

It is an arithmetic number, because the mean of its divisors is an integer number (1347351720).

Almost surely, 2^9420463661 is an apocalyptic number.

It is an amenable number.

9420463661 is a deficient number, since it is larger than the sum of its proper divisors (1358350099).

9420463661 is a wasteful number, since it uses less digits than its factorization.

9420463661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571203.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 9420463661 is about 97059.0730483245. The cubic root of 9420463661 is about 2111.9846604292.

The spelling of 9420463661 in words is "nine billion, four hundred twenty million, four hundred sixty-three thousand, six hundred sixty-one".