10421004002 has 4 divisors (see below), whose sum is σ = 15631506006. Its totient is φ = 5210502000.

The previous prime is 10421003977. The next prime is 10421004017. The reversal of 10421004002 is 20040012401.

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

It can be written as a sum of positive squares in only one way, i.e., 7185783361 + 3235220641 = 84769^2 + 56879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605250999 + ... + 2605251002.

Almost surely, 2^10421004002 is an apocalyptic number.

10421004002 is a deficient number, since it is larger than the sum of its proper divisors (5210502004).

10421004002 is an equidigital number, since it uses as much as digits as its factorization.

10421004002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210502003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10421004002 its reverse (20040012401), we get a palindrome (30461016403).

The spelling of 10421004002 in words is "ten billion, four hundred twenty-one million, four thousand, two".