478584501541 has 2 divisors, whose sum is σ = 478584501542. Its totient is φ = 478584501540.

The previous prime is 478584501491. The next prime is 478584501611. The reversal of 478584501541 is 145105485874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280109796516 + 198474705025 = 529254^2 + 445505^2 .

It is a cyclic number.

It is not a de Polignac number, because 478584501541 - 2¹³ = 478584493349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478584501841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239292250770 + 239292250771.

It is an arithmetic number, because the mean of its divisors is an integer number (239292250771).

Almost surely, 2^478584501541 is an apocalyptic number.

It is an amenable number.

478584501541 is a deficient number, since it is larger than the sum of its proper divisors (1).

478584501541 is an equidigital number, since it uses as much as digits as its factorization.

478584501541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584000, while the sum is 52.

The spelling of 478584501541 in words is "four hundred seventy-eight billion, five hundred eighty-four million, five hundred one thousand, five hundred forty-one".