475806514545 has 24 divisors (see below), whose sum is σ = 826568145000. Its totient is φ = 253198288896.

The previous prime is 475806514541. The next prime is 475806514553. The reversal of 475806514545 is 545415608574.

475806514545 is a `hidden beast` number, since 4 + 7 + 5 + 80 + 6 + 5 + 14 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 180488175921 + 295318338624 = 424839^2 + 543432^2 .

It is not a de Polignac number, because 475806514545 - 2² = 475806514541 is a prime.

It is a super-2 number, since 2×475806514545² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 475806514491 and 475806514500.

It is not an unprimeable number, because it can be changed into a prime (475806514541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11754270 + ... + 11794679.

It is an arithmetic number, because the mean of its divisors is an integer number (34440339375).

Almost surely, 2^475806514545 is an apocalyptic number.

475806514545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

475806514545 is a deficient number, since it is larger than the sum of its proper divisors (350761630455).

475806514545 is a wasteful number, since it uses less digits than its factorization.

475806514545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23549409 (or 23549406 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 54.

The spelling of 475806514545 in words is "four hundred seventy-five billion, eight hundred six million, five hundred fourteen thousand, five hundred forty-five".