405501002013 has 4 divisors (see below), whose sum is σ = 540668002688. Its totient is φ = 270334001340.

The previous prime is 405501001993. The next prime is 405501002029. The reversal of 405501002013 is 310200105504.

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 405501002013 - 2⁸ = 405501001757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405501002033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67583500333 + ... + 67583500338.

It is an arithmetic number, because the mean of its divisors is an integer number (135167000672).

Almost surely, 2^405501002013 is an apocalyptic number.

It is an amenable number.

405501002013 is a deficient number, since it is larger than the sum of its proper divisors (135167000675).

405501002013 is a wasteful number, since it uses less digits than its factorization.

405501002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135167000674.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 405501002013 its reverse (310200105504), we get a palindrome (715701107517).

The spelling of 405501002013 in words is "four hundred five billion, five hundred one million, two thousand, thirteen".