1421551036013 has 2 divisors, whose sum is σ = 1421551036014. Its totient is φ = 1421551036012.

The previous prime is 1421551035991. The next prime is 1421551036019. The reversal of 1421551036013 is 3106301551241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1248643100329 + 172907935684 = 1117427^2 + 415822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421551036013 - 2³² = 1417256068717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421551036019) 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, 710775518006 + 710775518007.

It is an arithmetic number, because the mean of its divisors is an integer number (710775518007).

Almost surely, 2^{1421551036013} is an apocalyptic number.

It is an amenable number.

1421551036013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421551036013 is an equidigital number, since it uses as much as digits as its factorization.

1421551036013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 1421551036013 its reverse (3106301551241), we get a palindrome (4527852587254).

The spelling of 1421551036013 in words is "one trillion, four hundred twenty-one billion, five hundred fifty-one million, thirty-six thousand, thirteen".