2642940089 has 16 divisors (see below), whose sum is σ = 2750533632. Its totient is φ = 2537610768.

The previous prime is 2642940077. The next prime is 2642940101. The reversal of 2642940089 is 9800492462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2642940077) and next prime (2642940101).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642940089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642940019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485772 + ... + 2486834.

It is an arithmetic number, because the mean of its divisors is an integer number (171908352).

Almost surely, 2^2642940089 is an apocalyptic number.

It is an amenable number.

2642940089 is a deficient number, since it is larger than the sum of its proper divisors (107593543).

2642940089 is a wasteful number, since it uses less digits than its factorization.

2642940089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2642940089 is about 51409.5330556503. The cubic root of 2642940089 is about 1382.5975177635.

The spelling of 2642940089 in words is "two billion, six hundred forty-two million, nine hundred forty thousand, eighty-nine".