2655379749 has 8 divisors (see below), whose sum is σ = 3862370592. Its totient is φ = 1609321040.

The previous prime is 2655379721. The next prime is 2655379757. The reversal of 2655379749 is 9479735562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2655379749 is a prime.

It is a super-2 number, since 2×2655379749² = 14102083222798606002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655379709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40232994 + ... + 40233059.

It is an arithmetic number, because the mean of its divisors is an integer number (482796324).

Almost surely, 2^2655379749 is an apocalyptic number.

It is an amenable number.

2655379749 is a deficient number, since it is larger than the sum of its proper divisors (1206990843).

2655379749 is a wasteful number, since it uses less digits than its factorization.

2655379749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80466067.

The product of its digits is 14288400, while the sum is 57.

The square root of 2655379749 is about 51530.3769537930. The cubic root of 2655379749 is about 1384.7633039623.

The spelling of 2655379749 in words is "two billion, six hundred fifty-five million, three hundred seventy-nine thousand, seven hundred forty-nine".