2555705744669 has 16 divisors (see below), whose sum is σ = 3190543668096. Its totient is φ = 1988828251200.

The previous prime is 2555705744653. The next prime is 2555705744723. The reversal of 2555705744669 is 9664475075552.

It is not a de Polignac number, because 2555705744669 - 2⁴ = 2555705744653 is a prime.

It is a super-2 number, since 2×2555705744669² (a number of 26 digits) contains 22 as substring.

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 (2555705744069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21864422 + ... + 21980999.

It is an arithmetic number, because the mean of its divisors is an integer number (199408979256).

Almost surely, 2^{2555705744669} is an apocalyptic number.

It is an amenable number.

2555705744669 is a deficient number, since it is larger than the sum of its proper divisors (634837923427).

2555705744669 is a wasteful number, since it uses less digits than its factorization.

2555705744669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43846196.

The product of its (nonzero) digits is 317520000, while the sum is 65.

The spelling of 2555705744669 in words is "two trillion, five hundred fifty-five billion, seven hundred five million, seven hundred forty-four thousand, six hundred sixty-nine".