2769554138 has 16 divisors (see below), whose sum is σ = 4477399080. Its totient is φ = 1277254656.

The previous prime is 2769554093. The next prime is 2769554149. The reversal of 2769554138 is 8314559672.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2110759249 + 658794889 = 45943^2 + 25667^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7343 + ... + 74786.

Almost surely, 2^2769554138 is an apocalyptic number.

2769554138 is a deficient number, since it is larger than the sum of its proper divisors (1707844942).

2769554138 is a wasteful number, since it uses less digits than its factorization.

2769554138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83441.

The product of its digits is 1814400, while the sum is 50.

The square root of 2769554138 is about 52626.5535447648. The cubic root of 2769554138 is about 1404.3325203400.

The spelling of 2769554138 in words is "two billion, seven hundred sixty-nine million, five hundred fifty-four thousand, one hundred thirty-eight".