4193640269 has 16 divisors (see below), whose sum is σ = 5287296000. Its totient is φ = 3237114240.

The previous prime is 4193640263. The next prime is 4193640287. The reversal of 4193640269 is 9620463914.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4193640269 is a prime.

It is a super-2 number, since 2×4193640269² = 35173237411556784722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4193640263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558269 + ... + 565730.

It is an arithmetic number, because the mean of its divisors is an integer number (330456000).

Almost surely, 2^4193640269 is an apocalyptic number.

It is an amenable number.

4193640269 is a deficient number, since it is larger than the sum of its proper divisors (1093655731).

4193640269 is a wasteful number, since it uses less digits than its factorization.

4193640269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124060.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 4193640269 is about 64758.3220057469. The cubic root of 4193640269 is about 1612.6138717653.

The spelling of 4193640269 in words is "four billion, one hundred ninety-three million, six hundred forty thousand, two hundred sixty-nine".