2675621807 has 4 divisors (see below), whose sum is σ = 2676431280. Its totient is φ = 2674812336.

The previous prime is 2675621803. The next prime is 2675621813. The reversal of 2675621807 is 7081265762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2675621807 - 2² = 2675621803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2675621803) 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, 399758 + ... + 406395.

It is an arithmetic number, because the mean of its divisors is an integer number (669107820).

Almost surely, 2^2675621807 is an apocalyptic number.

2675621807 is a deficient number, since it is larger than the sum of its proper divisors (809473).

2675621807 is an equidigital number, since it uses as much as digits as its factorization.

2675621807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809472.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2675621807 is about 51726.4130498143. The cubic root of 2675621807 is about 1388.2731011958.

The spelling of 2675621807 in words is "two billion, six hundred seventy-five million, six hundred twenty-one thousand, eight hundred seven".