2642106993 has 4 divisors (see below), whose sum is σ = 3522809328. Its totient is φ = 1761404660.

The previous prime is 2642106983. The next prime is 2642107033. The reversal of 2642106993 is 3996012462.

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 2642106993 - 2⁸ = 2642106737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642106923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 440351163 + ... + 440351168.

It is an arithmetic number, because the mean of its divisors is an integer number (880702332).

Almost surely, 2^2642106993 is an apocalyptic number.

It is an amenable number.

2642106993 is a deficient number, since it is larger than the sum of its proper divisors (880702335).

2642106993 is an equidigital number, since it uses as much as digits as its factorization.

2642106993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880702334.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 2642106993 is about 51401.4298731076. The cubic root of 2642106993 is about 1382.4522303853.

The spelling of 2642106993 in words is "two billion, six hundred forty-two million, one hundred six thousand, nine hundred ninety-three".