538479453945 has 16 divisors (see below), whose sum is σ = 862000776000. Its totient is φ = 287044492224.

The previous prime is 538479453943. The next prime is 538479453947. The reversal of 538479453945 is 549354974835.

It is an interprime number because it is at equal distance from previous prime (538479453943) and next prime (538479453947).

It is not a de Polignac number, because 538479453945 - 2¹ = 538479453943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538479453943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9003570 + ... + 9063179.

It is an arithmetic number, because the mean of its divisors is an integer number (53875048500).

Almost surely, 2^538479453945 is an apocalyptic number.

It is an amenable number.

538479453945 is a deficient number, since it is larger than the sum of its proper divisors (323521322055).

538479453945 is a wasteful number, since it uses less digits than its factorization.

538479453945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068744.

The product of its digits is 326592000, while the sum is 66.

The spelling of 538479453945 in words is "five hundred thirty-eight billion, four hundred seventy-nine million, four hundred fifty-three thousand, nine hundred forty-five".