4190909661 has 12 divisors (see below), whose sum is σ = 6056548992. Its totient is φ = 2792549256.

The previous prime is 4190909659. The next prime is 4190909663. The reversal of 4190909661 is 1669090914.

4190909661 is a `hidden beast` number, since 419 + 0 + 90 + 96 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (4190909659) and next prime (4190909663).

It is not a de Polignac number, because 4190909661 - 2¹ = 4190909659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4190909663) 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 11 ways as a sum of consecutive naturals, for example, 96621 + ... + 133106.

It is an arithmetic number, because the mean of its divisors is an integer number (504712416).

Almost surely, 2^4190909661 is an apocalyptic number.

It is an amenable number.

4190909661 is a deficient number, since it is larger than the sum of its proper divisors (1865639331).

4190909661 is a wasteful number, since it uses less digits than its factorization.

4190909661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231760 (or 231757 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 4190909661 is about 64737.2355063143. The cubic root of 4190909661 is about 1612.2637882948.

The spelling of 4190909661 in words is "four billion, one hundred ninety million, nine hundred nine thousand, six hundred sixty-one".