2430197661 has 8 divisors (see below), whose sum is σ = 3247961824. Its totient is φ = 1616282640.

The previous prime is 2430197659. The next prime is 2430197741. The reversal of 2430197661 is 1667910342.

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

It is not a de Polignac number, because 2430197661 - 2¹ = 2430197659 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 (2430197611) 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, 960811 + ... + 963336.

It is an arithmetic number, because the mean of its divisors is an integer number (405995228).

Almost surely, 2^2430197661 is an apocalyptic number.

It is an amenable number.

2430197661 is a deficient number, since it is larger than the sum of its proper divisors (817764163).

2430197661 is a wasteful number, since it uses less digits than its factorization.

2430197661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924571.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2430197661 is about 49297.0350122601. The cubic root of 2430197661 is about 1344.4578756102.

The spelling of 2430197661 in words is "two billion, four hundred thirty million, one hundred ninety-seven thousand, six hundred sixty-one".