405979963953483 has 4 divisors (see below), whose sum is σ = 541306618604648. Its totient is φ = 270653309302320.

The previous prime is 405979963953463. The next prime is 405979963953493. The reversal of 405979963953483 is 384359369979504.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 405979963953483 - 2⁹ = 405979963952971 is a prime.

It is a super-2 number, since 2×405979963953483² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405979963953396 and 405979963953405.

It is not an unprimeable number, because it can be changed into a prime (405979963953433) 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 in 3 ways as a sum of consecutive naturals, for example, 67663327325578 + ... + 67663327325583.

It is an arithmetic number, because the mean of its divisors is an integer number (135326654651162).

Almost surely, 2^{405979963953483} is an apocalyptic number.

405979963953483 is a deficient number, since it is larger than the sum of its proper divisors (135326654651165).

405979963953483 is a wasteful number, since it uses less digits than its factorization.

405979963953483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135326654651164.

The product of its (nonzero) digits is 23808556800, while the sum is 84.

The spelling of 405979963953483 in words is "four hundred five trillion, nine hundred seventy-nine billion, nine hundred sixty-three million, nine hundred fifty-three thousand, four hundred eighty-three".