2421000004 has 12 divisors (see below), whose sum is σ = 4237094764. Its totient is φ = 1210401504.

The previous prime is 2420999957. The next prime is 2421000013. The reversal of 2421000004 is 4000001242.

It can be written as a sum of positive squares in 2 ways, for example, as 861539904 + 1559460100 = 29352^2 + 39490^2 .

It is a super-2 number, since 2×2421000004² = 11722482038736000032, which contains 22 as substring.

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, 81382 + ... + 107074.

Almost surely, 2^2421000004 is an apocalyptic number.

It is an amenable number.

2421000004 is a deficient number, since it is larger than the sum of its proper divisors (1816094760).

2421000004 is a wasteful number, since it uses less digits than its factorization.

2421000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49254 (or 49252 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2421000004 is about 49203.6584412176. The cubic root of 2421000004 is about 1342.7595918336.

Adding to 2421000004 its reverse (4000001242), we get a palindrome (6421001246).

The spelling of 2421000004 in words is "two billion, four hundred twenty-one million, four", and thus it is an aban number.