2686646011 has 16 divisors (see below), whose sum is σ = 3098214400. Its totient is φ = 2282061600.

The previous prime is 2686645993. The next prime is 2686646029. The reversal of 2686646011 is 1106466862.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2686645993) and next prime (2686646029).

It is not a de Polignac number, because 2686646011 - 2⁷ = 2686645883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686646311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376086 + ... + 1378036.

It is an arithmetic number, because the mean of its divisors is an integer number (193638400).

Almost surely, 2^2686646011 is an apocalyptic number.

2686646011 is a deficient number, since it is larger than the sum of its proper divisors (411568389).

2686646011 is a wasteful number, since it uses less digits than its factorization.

2686646011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2686646011 is about 51832.8661275836. The cubic root of 2686646011 is about 1390.1771613123.

The spelling of 2686646011 in words is "two billion, six hundred eighty-six million, six hundred forty-six thousand, eleven".