504945707549405 has 8 divisors (see below), whose sum is σ = 605951936631384. Its totient is φ = 403945174324800.

The previous prime is 504945707549369. The next prime is 504945707549429.

504945707549405 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 4642395962884 + 500303311586521 = 2154622^2 + 22367461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 504945707549405 - 2³⁶ = 504876988072669 is a prime.

It is a super-2 number, since 2×504945707549405² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423769306 + ... + 1424123915.

It is an arithmetic number, because the mean of its divisors is an integer number (75743992078923).

Almost surely, 2^{504945707549405} is an apocalyptic number.

It is an amenable number.

504945707549405 is a deficient number, since it is larger than the sum of its proper divisors (101006229081979).

504945707549405 is a wasteful number, since it uses less digits than its factorization.

504945707549405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847928687.

The product of its (nonzero) digits is 635040000, while the sum is 68.

The spelling of 504945707549405 in words is "five hundred four trillion, nine hundred forty-five billion, seven hundred seven million, five hundred forty-nine thousand, four hundred five".