2642376669 has 4 divisors (see below), whose sum is σ = 3523168896. Its totient is φ = 1761584444.

The previous prime is 2642376637. The next prime is 2642376713. The reversal of 2642376669 is 9666732462.

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 2642376669 - 2⁵ = 2642376637 is a prime.

It is a super-2 number, since 2×2642376669² = 13964308921751071122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642376469) 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, 440396109 + ... + 440396114.

It is an arithmetic number, because the mean of its divisors is an integer number (880792224).

Almost surely, 2^2642376669 is an apocalyptic number.

It is an amenable number.

2642376669 is a deficient number, since it is larger than the sum of its proper divisors (880792227).

2642376669 is an equidigital number, since it uses as much as digits as its factorization.

2642376669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880792226.

The product of its digits is 3919104, while the sum is 51.

The square root of 2642376669 is about 51404.0530405920. The cubic root of 2642376669 is about 1382.4992637448.

The spelling of 2642376669 in words is "two billion, six hundred forty-two million, three hundred seventy-six thousand, six hundred sixty-nine".