73421421301 has 2 divisors, whose sum is σ = 73421421302. Its totient is φ = 73421421300.

The previous prime is 73421421287. The next prime is 73421421313. The reversal of 73421421301 is 10312412437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46632243025 + 26789178276 = 215945^2 + 163674^2 .

It is an emirp because it is prime and its reverse (10312412437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73421421301 - 2²⁷ = 73287203573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73421421301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73421421331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36710710650 + 36710710651.

It is an arithmetic number, because the mean of its divisors is an integer number (36710710651).

Almost surely, 2^73421421301 is an apocalyptic number.

It is an amenable number.

73421421301 is a deficient number, since it is larger than the sum of its proper divisors (1).

73421421301 is an equidigital number, since it uses as much as digits as its factorization.

73421421301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 73421421301 its reverse (10312412437), we get a palindrome (83733833738).

The spelling of 73421421301 in words is "seventy-three billion, four hundred twenty-one million, four hundred twenty-one thousand, three hundred one".