354204952358401 has 4 divisors (see below), whose sum is σ = 354276235308100. Its totient is φ = 354133669408704.

The previous prime is 354204952358377. The next prime is 354204952358417. The reversal of 354204952358401 is 104853259402453.

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 187956833770225 + 166248118588176 = 13709735^2 + 12893724^2 .

It is a cyclic number.

It is not a de Polignac number, because 354204952358401 - 2¹⁹ = 354204951834113 is a prime.

It is a super-3 number, since 3×354204952358401³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354204952358461) 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, 35641467396 + ... + 35641477333.

It is an arithmetic number, because the mean of its divisors is an integer number (88569058827025).

Almost surely, 2^{354204952358401} is an apocalyptic number.

It is an amenable number.

354204952358401 is a deficient number, since it is larger than the sum of its proper divisors (71282949699).

354204952358401 is an equidigital number, since it uses as much as digits as its factorization.

354204952358401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71282949698.

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 354204952358401 in words is "three hundred fifty-four trillion, two hundred four billion, nine hundred fifty-two million, three hundred fifty-eight thousand, four hundred one".