476661581001 has 6 divisors (see below), whose sum is σ = 688511172570. Its totient is φ = 317774387328.

The previous prime is 476661580999. The next prime is 476661581003. The reversal of 476661581001 is 100185166674.

It is an interprime number because it is at equal distance from previous prime (476661580999) and next prime (476661581003).

It can be written as a sum of positive squares in only one way, i.e., 369300505401 + 107361075600 = 607701^2 + 327660^2 .

It is not a de Polignac number, because 476661581001 - 2¹ = 476661580999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (476661581003) 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 5 ways as a sum of consecutive naturals, for example, 26481198936 + ... + 26481198953.

It is an arithmetic number, because the mean of its divisors is an integer number (114751862095).

Almost surely, 2^476661581001 is an apocalyptic number.

It is an amenable number.

476661581001 is a deficient number, since it is larger than the sum of its proper divisors (211849591569).

476661581001 is a wasteful number, since it uses less digits than its factorization.

476661581001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52962397895 (or 52962397892 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 476661581001 in words is "four hundred seventy-six billion, six hundred sixty-one million, five hundred eighty-one thousand, one".