2693877789 has 4 divisors (see below), whose sum is σ = 3591837056. Its totient is φ = 1795918524.

The previous prime is 2693877787. The next prime is 2693877793. The reversal of 2693877789 is 9877783962.

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 2693877789 - 2¹ = 2693877787 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 (2693877787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448979629 + ... + 448979634.

It is an arithmetic number, because the mean of its divisors is an integer number (897959264).

Almost surely, 2^2693877789 is an apocalyptic number.

It is an amenable number.

2693877789 is a deficient number, since it is larger than the sum of its proper divisors (897959267).

2693877789 is an equidigital number, since it uses as much as digits as its factorization.

2693877789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897959266.

The product of its digits is 64012032, while the sum is 66.

The square root of 2693877789 is about 51902.5797913745. The cubic root of 2693877789 is about 1391.4233800272.

The spelling of 2693877789 in words is "two billion, six hundred ninety-three million, eight hundred seventy-seven thousand, seven hundred eighty-nine".