2755971629 has 4 divisors (see below), whose sum is σ = 2758901340. Its totient is φ = 2753041920.

The previous prime is 2755971611. The next prime is 2755971667. The reversal of 2755971629 is 9261795572.

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

It can be written as a sum of positive squares in 2 ways, for example, as 705964900 + 2050006729 = 26570^2 + 45277^2 .

It is a cyclic number.

It is not a de Polignac number, because 2755971629 - 2⁸ = 2755971373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755971329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1463444 + ... + 1465325.

It is an arithmetic number, because the mean of its divisors is an integer number (689725335).

Almost surely, 2^2755971629 is an apocalyptic number.

It is an amenable number.

2755971629 is a deficient number, since it is larger than the sum of its proper divisors (2929711).

2755971629 is an equidigital number, since it uses as much as digits as its factorization.

2755971629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929710.

The product of its digits is 2381400, while the sum is 53.

The square root of 2755971629 is about 52497.3487806765. The cubic root of 2755971629 is about 1402.0330375819.

The spelling of 2755971629 in words is "two billion, seven hundred fifty-five million, nine hundred seventy-one thousand, six hundred twenty-nine".