421003041243242 has 16 divisors (see below), whose sum is σ = 659728408063680. Its totient is φ = 201114880947552.

The previous prime is 421003041243233. The next prime is 421003041243251. The reversal of 421003041243242 is 242342140300124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421003041243233) and next prime (421003041243251).

It is a junction number, because it is equal to n+sod(n) for n = 421003041243199 and 421003041243208.

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, 5327224763 + ... + 5327303790.

It is an arithmetic number, because the mean of its divisors is an integer number (41233025503980).

Almost surely, 2^{421003041243242} is an apocalyptic number.

421003041243242 is a deficient number, since it is larger than the sum of its proper divisors (238725366820438).

421003041243242 is a wasteful number, since it uses less digits than its factorization.

421003041243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10654529437.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 421003041243242 its reverse (242342140300124), we get a palindrome (663345181543366).

The spelling of 421003041243242 in words is "four hundred twenty-one trillion, three billion, forty-one million, two hundred forty-three thousand, two hundred forty-two".