2426500021 has 8 divisors (see below), whose sum is σ = 2691957600. Its totient is φ = 2168520240.

The previous prime is 2426500009. The next prime is 2426500033. The reversal of 2426500021 is 1200056242.

It is an interprime number because it is at equal distance from previous prime (2426500009) and next prime (2426500033).

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

It is a cyclic number.

It is not a de Polignac number, because 2426500021 - 2⁷ = 2426499893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2426499965 and 2426500001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2426500091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868766 + ... + 1870063.

It is an arithmetic number, because the mean of its divisors is an integer number (336494700).

Almost surely, 2^2426500021 is an apocalyptic number.

It is an amenable number.

2426500021 is a deficient number, since it is larger than the sum of its proper divisors (265457579).

2426500021 is a wasteful number, since it uses less digits than its factorization.

2426500021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738899.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2426500021 is about 49259.5170601580. The cubic root of 2426500021 is about 1343.7756478797.

Adding to 2426500021 its reverse (1200056242), we get a palindrome (3626556263).

The spelling of 2426500021 in words is "two billion, four hundred twenty-six million, five hundred thousand, twenty-one".