2421421004 has 24 divisors (see below), whose sum is σ = 4449048240. Its totient is φ = 1151510976.

The previous prime is 2421420997. The next prime is 2421421063. The reversal of 2421421004 is 4001241242.

2421421004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2421421004² = 11726559357224736032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148007 + ... + 163550.

It is an arithmetic number, because the mean of its divisors is an integer number (185377010).

Almost surely, 2^2421421004 is an apocalyptic number.

It is an amenable number.

2421421004 is a deficient number, since it is larger than the sum of its proper divisors (2027627236).

2421421004 is a wasteful number, since it uses less digits than its factorization.

2421421004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311657 (or 311655 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2421421004 is about 49207.9363924154. The cubic root of 2421421004 is about 1342.8374204200.

Adding to 2421421004 its reverse (4001241242), we get a palindrome (6422662246).

The spelling of 2421421004 in words is "two billion, four hundred twenty-one million, four hundred twenty-one thousand, four".