504154455401 has 4 divisors (see below), whose sum is σ = 507538042500. Its totient is φ = 500770868304.

The previous prime is 504154455379. The next prime is 504154455403. The reversal of 504154455401 is 104554451405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104554451405 = 5 ⋅20910890281.

It can be written as a sum of positive squares in 2 ways, for example, as 33694273600 + 470460181801 = 183560^2 + 685901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504154455401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504154455403) 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, 1691793326 + ... + 1691793623.

It is an arithmetic number, because the mean of its divisors is an integer number (126884510625).

Almost surely, 2^504154455401 is an apocalyptic number.

It is an amenable number.

504154455401 is a deficient number, since it is larger than the sum of its proper divisors (3383587099).

504154455401 is a wasteful number, since it uses less digits than its factorization.

504154455401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383587098.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 504154455401 in words is "five hundred four billion, one hundred fifty-four million, four hundred fifty-five thousand, four hundred one".