409264673553 has 12 divisors (see below), whose sum is σ = 593263860228. Its totient is φ = 271872142080.

The previous prime is 409264673507. The next prime is 409264673561. The reversal of 409264673553 is 355376462904.

409264673553 is a `hidden beast` number, since 4 + 0 + 9 + 26 + 4 + 67 + 3 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 368415008784 + 40849664769 = 606972^2 + 202113^2 .

It is not a de Polignac number, because 409264673553 - 2³⁸ = 134386766609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 409264673553.

It is not an unprimeable number, because it can be changed into a prime (409264673053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80911800 + ... + 80916857.

It is an arithmetic number, because the mean of its divisors is an integer number (49438655019).

Almost surely, 2^409264673553 is an apocalyptic number.

It is an amenable number.

409264673553 is a deficient number, since it is larger than the sum of its proper divisors (183999186675).

409264673553 is a wasteful number, since it uses less digits than its factorization.

409264673553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161828944 (or 161828941 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 54.

The spelling of 409264673553 in words is "four hundred nine billion, two hundred sixty-four million, six hundred seventy-three thousand, five hundred fifty-three".