5444993569401 has 9 divisors (see below), whose sum is σ = 7865000822991. Its totient is φ = 3629991046032.

The previous prime is 5444993569399. The next prime is 5444993569417. The reversal of 5444993569401 is 1049653994445.

The square root of 5444993569401 is 2333451.

It is a perfect power (a square), and thus also a powerful number.

5444993569401 is a `hidden beast` number, since 5 + 4 + 4 + 499 + 3 + 56 + 94 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8746925625 + 5436246643776 = 93525^2 + 2331576^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 5444993569401 - 2¹ = 5444993569399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5444993569601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6611445 + ... + 7389261.

Almost surely, 2^{5444993569401} is an apocalyptic number.

5444993569401 is the 2333451-st square number.

5444993569401 is the 1166726-th centered octagonal number.

It is an amenable number.

5444993569401 is a deficient number, since it is larger than the sum of its proper divisors (2420007253590).

5444993569401 is an frugal number, since it uses more digits than its factorization.

5444993569401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555640 (or 777820 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 5444993569401 in words is "five trillion, four hundred forty-four billion, nine hundred ninety-three million, five hundred sixty-nine thousand, four hundred one".