545646241206431 has 16 divisors (see below), whose sum is σ = 563841689103264. Its totient is φ = 527710527396864.

The previous prime is 545646241206359. The next prime is 545646241206439. The reversal of 545646241206431 is 134602142646545.

It is a cyclic number.

It is not a de Polignac number, because 545646241206431 - 2³⁸ = 545371363299487 is a prime.

It is a super-2 number, since 2×545646241206431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545646241206439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51472526 + ... + 61161371.

It is an arithmetic number, because the mean of its divisors is an integer number (35240105568954).

Almost surely, 2^{545646241206431} is an apocalyptic number.

545646241206431 is a deficient number, since it is larger than the sum of its proper divisors (18195447896833).

545646241206431 is a wasteful number, since it uses less digits than its factorization.

545646241206431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112635050.

The product of its (nonzero) digits is 16588800, while the sum is 53.

The spelling of 545646241206431 in words is "five hundred forty-five trillion, six hundred forty-six billion, two hundred forty-one million, two hundred six thousand, four hundred thirty-one".