4643642269 has 4 divisors (see below), whose sum is σ = 5307019744. Its totient is φ = 3980264796.

The previous prime is 4643642249. The next prime is 4643642273. The reversal of 4643642269 is 9622463464.

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 a cyclic number.

It is not a de Polignac number, because 4643642269 - 2¹⁹ = 4643117981 is a prime.

It is a super-2 number, since 2×4643642269² = 43126827044886936722, 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 (4643642249) 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, 331688727 + ... + 331688740.

It is an arithmetic number, because the mean of its divisors is an integer number (1326754936).

Almost surely, 2^4643642269 is an apocalyptic number.

It is an amenable number.

4643642269 is a deficient number, since it is larger than the sum of its proper divisors (663377475).

4643642269 is an equidigital number, since it uses as much as digits as its factorization.

4643642269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663377474.

The product of its digits is 1492992, while the sum is 46.

The square root of 4643642269 is about 68144.2753941958. The cubic root of 4643642269 is about 1668.3464897390.

The spelling of 4643642269 in words is "four billion, six hundred forty-three million, six hundred forty-two thousand, two hundred sixty-nine".