3554020621201 has 4 divisors (see below), whose sum is σ = 3554033486004. Its totient is φ = 3554007756400.

The previous prime is 3554020621189. The next prime is 3554020621219. The reversal of 3554020621201 is 1021260204553.

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 2383469734801 + 1170550886400 = 1543849^2 + 1081920^2 .

It is a cyclic number.

It is not a de Polignac number, because 3554020621201 - 2²³ = 3554012232593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3554020691201) 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, 6008710 + ... + 6573631.

It is an arithmetic number, because the mean of its divisors is an integer number (888508371501).

Almost surely, 2^{3554020621201} is an apocalyptic number.

It is an amenable number.

3554020621201 is a deficient number, since it is larger than the sum of its proper divisors (12864803).

3554020621201 is a wasteful number, since it uses less digits than its factorization.

3554020621201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12864802.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 3554020621201 its reverse (1021260204553), we get a palindrome (4575280825754).

The spelling of 3554020621201 in words is "three trillion, five hundred fifty-four billion, twenty million, six hundred twenty-one thousand, two hundred one".