405010521453 has 4 divisors (see below), whose sum is σ = 540014028608. Its totient is φ = 270007014300.

The previous prime is 405010521397. The next prime is 405010521467. The reversal of 405010521453 is 354125010504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 405010521453 - 2¹⁸ = 405010259309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 405010521453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405010521473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67501753573 + ... + 67501753578.

It is an arithmetic number, because the mean of its divisors is an integer number (135003507152).

Almost surely, 2^405010521453 is an apocalyptic number.

It is an amenable number.

405010521453 is a deficient number, since it is larger than the sum of its proper divisors (135003507155).

405010521453 is a wasteful number, since it uses less digits than its factorization.

405010521453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135003507154.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 405010521453 its reverse (354125010504), we get a palindrome (759135531957).

The spelling of 405010521453 in words is "four hundred five billion, ten million, five hundred twenty-one thousand, four hundred fifty-three".