545236642401 has 32 divisors (see below), whose sum is σ = 805032898560. Its totient is φ = 325490774400.

The previous prime is 545236642367. The next prime is 545236642403. The reversal of 545236642401 is 104246632545.

It is a happy number.

It is not a de Polignac number, because 545236642401 - 2¹⁰ = 545236641377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545236642403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419496 + ... + 1125366.

It is an arithmetic number, because the mean of its divisors is an integer number (25157278080).

Almost surely, 2^545236642401 is an apocalyptic number.

It is an amenable number.

545236642401 is a deficient number, since it is larger than the sum of its proper divisors (259796256159).

545236642401 is a wasteful number, since it uses less digits than its factorization.

545236642401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706237.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 545236642401 in words is "five hundred forty-five billion, two hundred thirty-six million, six hundred forty-two thousand, four hundred one".