405501013349 has 2 divisors, whose sum is σ = 405501013350. Its totient is φ = 405501013348.

The previous prime is 405501013279. The next prime is 405501013361. The reversal of 405501013349 is 943310105504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267568252900 + 137932760449 = 517270^2 + 371393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405501013349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405501013369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202750506674 + 202750506675.

It is an arithmetic number, because the mean of its divisors is an integer number (202750506675).

Almost surely, 2^405501013349 is an apocalyptic number.

It is an amenable number.

405501013349 is a deficient number, since it is larger than the sum of its proper divisors (1).

405501013349 is an equidigital number, since it uses as much as digits as its factorization.

405501013349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 405501013349 in words is "four hundred five billion, five hundred one million, thirteen thousand, three hundred forty-nine".