1405451352013 has 2 divisors, whose sum is σ = 1405451352014. Its totient is φ = 1405451352012.

The previous prime is 1405451351999. The next prime is 1405451352047. The reversal of 1405451352013 is 3102531545041.

It is an a-pointer prime, because the next prime (1405451352047) can be obtained adding 1405451352013 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964632372649 + 440818979364 = 982157^2 + 663942^2 .

It is an emirp because it is prime and its reverse (3102531545041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1405451352013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1405451352013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1405451352073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702725676006 + 702725676007.

It is an arithmetic number, because the mean of its divisors is an integer number (702725676007).

Almost surely, 2^{1405451352013} is an apocalyptic number.

It is an amenable number.

1405451352013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405451352013 is an equidigital number, since it uses as much as digits as its factorization.

1405451352013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 1405451352013 its reverse (3102531545041), we get a palindrome (4507982897054).

The spelling of 1405451352013 in words is "one trillion, four hundred five billion, four hundred fifty-one million, three hundred fifty-two thousand, thirteen".