472555451561 has 8 divisors (see below), whose sum is σ = 484114060584. Its totient is φ = 460998407680.

The previous prime is 472555451549. The next prime is 472555451567. The reversal of 472555451561 is 165154555274.

It can be written as a sum of positive squares in 4 ways, for example, as 37087441561 + 435468010000 = 192581^2 + 659900^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472555451561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472555451567) 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 7 ways as a sum of consecutive naturals, for example, 231941 + ... + 999453.

It is an arithmetic number, because the mean of its divisors is an integer number (60514257573).

Almost surely, 2^472555451561 is an apocalyptic number.

472555451561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

472555451561 is a deficient number, since it is larger than the sum of its proper divisors (11558609023).

472555451561 is a wasteful number, since it uses less digits than its factorization.

472555451561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782571.

The product of its digits is 4200000, while the sum is 50.

The spelling of 472555451561 in words is "four hundred seventy-two billion, five hundred fifty-five million, four hundred fifty-one thousand, five hundred sixty-one".