1421193080737 has 2 divisors, whose sum is σ = 1421193080738. Its totient is φ = 1421193080736.

The previous prime is 1421193080731. The next prime is 1421193080761. The reversal of 1421193080737 is 7370803911241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1152292755601 + 268900325136 = 1073449^2 + 518556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421193080737 - 2²⁷ = 1421058863009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421193080731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710596540368 + 710596540369.

It is an arithmetic number, because the mean of its divisors is an integer number (710596540369).

Almost surely, 2^{1421193080737} is an apocalyptic number.

It is an amenable number.

1421193080737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421193080737 is an equidigital number, since it uses as much as digits as its factorization.

1421193080737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

Adding to 1421193080737 its reverse (7370803911241), we get a palindrome (8791996991978).

The spelling of 1421193080737 in words is "one trillion, four hundred twenty-one billion, one hundred ninety-three million, eighty thousand, seven hundred thirty-seven".