421042489363 has 2 divisors, whose sum is σ = 421042489364. Its totient is φ = 421042489362.

The previous prime is 421042489313. The next prime is 421042489411. The reversal of 421042489363 is 363984240124.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421042489363 is a prime.

It is not a weakly prime, because it can be changed into another prime (421042489303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210521244681 + 210521244682.

It is an arithmetic number, because the mean of its divisors is an integer number (210521244682).

Almost surely, 2^421042489363 is an apocalyptic number.

421042489363 is a deficient number, since it is larger than the sum of its proper divisors (1).

421042489363 is an equidigital number, since it uses as much as digits as its factorization.

421042489363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 421042489363 in words is "four hundred twenty-one billion, forty-two million, four hundred eighty-nine thousand, three hundred sixty-three".