2069087655649 has 4 divisors (see below), whose sum is σ = 2364671606464. Its totient is φ = 1773503704836.

The previous prime is 2069087655631. The next prime is 2069087655689. The reversal of 2069087655649 is 9465567809602.

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 a cyclic number.

It is not a de Polignac number, because 2069087655649 - 2²³ = 2069079267041 is a prime.

It is a super-2 number, since 2×2069087655649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2069087655689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147791975397 + ... + 147791975410.

It is an arithmetic number, because the mean of its divisors is an integer number (591167901616).

Almost surely, 2^{2069087655649} is an apocalyptic number.

It is an amenable number.

2069087655649 is a deficient number, since it is larger than the sum of its proper divisors (295583950815).

2069087655649 is an equidigital number, since it uses as much as digits as its factorization.

2069087655649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295583950814.

The product of its (nonzero) digits is 195955200, while the sum is 67.

The spelling of 2069087655649 in words is "two trillion, sixty-nine billion, eighty-seven million, six hundred fifty-five thousand, six hundred forty-nine".