2624421005 has 4 divisors (see below), whose sum is σ = 3149305212. Its totient is φ = 2099536800.

The previous prime is 2624420987. The next prime is 2624421011. The reversal of 2624421005 is 5001244262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1588739881 + 1035681124 = 39859^2 + 32182^2 .

It is not a de Polignac number, because 2624421005 - 2⁸ = 2624420749 is a prime.

It is a super-2 number, since 2×2624421005² = 13775171222970420050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262442096 + ... + 262442105.

It is an arithmetic number, because the mean of its divisors is an integer number (787326303).

Almost surely, 2^2624421005 is an apocalyptic number.

It is an amenable number.

2624421005 is a deficient number, since it is larger than the sum of its proper divisors (524884207).

2624421005 is an equidigital number, since it uses as much as digits as its factorization.

2624421005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524884206.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2624421005 is about 51229.1031055591. The cubic root of 2624421005 is about 1379.3606583008.

Adding to 2624421005 its reverse (5001244262), we get a palindrome (7625665267).

The spelling of 2624421005 in words is "two billion, six hundred twenty-four million, four hundred twenty-one thousand, five".