2009620426 has 16 divisors (see below), whose sum is σ = 3292875648. Its totient is φ = 912240000.

The previous prime is 2009620421. The next prime is 2009620427. The reversal of 2009620426 is 6240269002.

It is not an unprimeable number, because it can be changed into a prime (2009620421) 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 7 ways as a sum of consecutive naturals, for example, 44295 + ... + 77338.

It is an arithmetic number, because the mean of its divisors is an integer number (205804728).

Almost surely, 2^2009620426 is an apocalyptic number.

2009620426 is a deficient number, since it is larger than the sum of its proper divisors (1283255222).

2009620426 is a wasteful number, since it uses less digits than its factorization.

2009620426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122397.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2009620426 is about 44828.7901465119. The cubic root of 2009620426 is about 1261.9379822564.

Adding to 2009620426 its reverse (6240269002), we get a palindrome (8249889428).

The spelling of 2009620426 in words is "two billion, nine million, six hundred twenty thousand, four hundred twenty-six".