401043454513 has 4 divisors (see below), whose sum is σ = 431892951028. Its totient is φ = 370193958000.

The previous prime is 401043454507. The next prime is 401043454523. The reversal of 401043454513 is 315454340104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 268705383424 + 132338071089 = 518368^2 + 363783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401043454513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401043454523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15424748238 + ... + 15424748263.

It is an arithmetic number, because the mean of its divisors is an integer number (107973237757).

Almost surely, 2^401043454513 is an apocalyptic number.

It is an amenable number.

401043454513 is a deficient number, since it is larger than the sum of its proper divisors (30849496515).

401043454513 is a wasteful number, since it uses less digits than its factorization.

401043454513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30849496514.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 401043454513 its reverse (315454340104), we get a palindrome (716497794617).

The spelling of 401043454513 in words is "four hundred one billion, forty-three million, four hundred fifty-four thousand, five hundred thirteen".