2009742626 has 8 divisors (see below), whose sum is σ = 3016128000. Its totient is φ = 1004366628.

The previous prime is 2009742611. The next prime is 2009742667. The reversal of 2009742626 is 6262479002.

It is a happy number.

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

It is a super-2 number, since 2×2009742626² = 8078130845522751752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2009742626.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 247346 + ... + 255341.

It is an arithmetic number, because the mean of its divisors is an integer number (377016000).

Almost surely, 2^2009742626 is an apocalyptic number.

2009742626 is a deficient number, since it is larger than the sum of its proper divisors (1006385374).

2009742626 is a wasteful number, since it uses less digits than its factorization.

2009742626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504688.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2009742626 is about 44830.1530891876. The cubic root of 2009742626 is about 1261.9635601705.

The spelling of 2009742626 in words is "two billion, nine million, seven hundred forty-two thousand, six hundred twenty-six".