2691002669555 has 8 divisors (see below), whose sum is σ = 3229212029472. Its totient is φ = 2152796251648.

The previous prime is 2691002669527. The next prime is 2691002669567. The reversal of 2691002669555 is 5559662001962.

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

It is a cyclic number.

It is not a de Polignac number, because 2691002669555 - 2¹² = 2691002665459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2691002669555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020819 + ... + 3808851.

It is an arithmetic number, because the mean of its divisors is an integer number (403651503684).

Almost surely, 2^{2691002669555} is an apocalyptic number.

2691002669555 is a deficient number, since it is larger than the sum of its proper divisors (538209359917).

2691002669555 is an equidigital number, since it uses as much as digits as its factorization.

2691002669555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471005.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 2691002669555 in words is "two trillion, six hundred ninety-one billion, two million, six hundred sixty-nine thousand, five hundred fifty-five".