4005492069 has 4 divisors (see below), whose sum is σ = 5340656096. Its totient is φ = 2670328044.

The previous prime is 4005492061. The next prime is 4005492107. The reversal of 4005492069 is 9602945004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4005492069 - 2³ = 4005492061 is a prime.

It is a super-2 number, since 2×4005492069² = 32087933429643801522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005492061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667582009 + ... + 667582014.

It is an arithmetic number, because the mean of its divisors is an integer number (1335164024).

Almost surely, 2^4005492069 is an apocalyptic number.

It is an amenable number.

4005492069 is a deficient number, since it is larger than the sum of its proper divisors (1335164027).

4005492069 is a wasteful number, since it uses less digits than its factorization.

4005492069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335164026.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 4005492069 is about 63288.9569277295. The cubic root of 4005492069 is about 1588.1272293938.

The spelling of 4005492069 in words is "four billion, five million, four hundred ninety-two thousand, sixty-nine".