421313650033 has 2 divisors, whose sum is σ = 421313650034. Its totient is φ = 421313650032.

The previous prime is 421313649907. The next prime is 421313650049. The reversal of 421313650033 is 330056313124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324662923264 + 96650726769 = 569792^2 + 310887^2 .

It is a cyclic number.

It is not a de Polignac number, because 421313650033 - 2²¹ = 421311552881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421313649977 and 421313650004.

It is not a weakly prime, because it can be changed into another prime (421313600033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210656825016 + 210656825017.

It is an arithmetic number, because the mean of its divisors is an integer number (210656825017).

Almost surely, 2^421313650033 is an apocalyptic number.

It is an amenable number.

421313650033 is a deficient number, since it is larger than the sum of its proper divisors (1).

421313650033 is an equidigital number, since it uses as much as digits as its factorization.

421313650033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 421313650033 its reverse (330056313124), we get a palindrome (751369963157).

The spelling of 421313650033 in words is "four hundred twenty-one billion, three hundred thirteen million, six hundred fifty thousand, thirty-three".