421348984963 has 2 divisors, whose sum is σ = 421348984964. Its totient is φ = 421348984962.

The previous prime is 421348984939. The next prime is 421348984999. The reversal of 421348984963 is 369489843124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421348984963 - 2⁹ = 421348984451 is a prime.

It is a super-2 number, since 2×421348984963² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (421348984933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210674492481 + 210674492482.

It is an arithmetic number, because the mean of its divisors is an integer number (210674492482).

Almost surely, 2^421348984963 is an apocalyptic number.

421348984963 is a deficient number, since it is larger than the sum of its proper divisors (1).

421348984963 is an equidigital number, since it uses as much as digits as its factorization.

421348984963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35831808, while the sum is 61.

The spelling of 421348984963 in words is "four hundred twenty-one billion, three hundred forty-eight million, nine hundred eighty-four thousand, nine hundred sixty-three".