354216631801 has 2 divisors, whose sum is σ = 354216631802. Its totient is φ = 354216631800.

The previous prime is 354216631793. The next prime is 354216631831. The reversal of 354216631801 is 108136612453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343249515625 + 10967116176 = 585875^2 + 104724^2 .

It is a cyclic number.

It is not a de Polignac number, because 354216631801 - 2³ = 354216631793 is a prime.

It is a super-3 number, since 3×354216631801³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (354216631831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177108315900 + 177108315901.

It is an arithmetic number, because the mean of its divisors is an integer number (177108315901).

Almost surely, 2^354216631801 is an apocalyptic number.

It is an amenable number.

354216631801 is a deficient number, since it is larger than the sum of its proper divisors (1).

354216631801 is an equidigital number, since it uses as much as digits as its factorization.

354216631801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 354216631801 in words is "three hundred fifty-four billion, two hundred sixteen million, six hundred thirty-one thousand, eight hundred one".