354394005061 has 16 divisors (see below), whose sum is σ = 372898920240. Its totient is φ = 336361144320.

The previous prime is 354394005019. The next prime is 354394005071. The reversal of 354394005061 is 160500493453.

It can be written as a sum of positive squares in 8 ways, for example, as 4025902500 + 350368102561 = 63450^2 + 591919^2 .

It is a cyclic number.

It is not a de Polignac number, because 354394005061 - 2¹⁷ = 354393873989 is a prime.

It is a super-2 number, since 2×354394005061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354394005011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19980645 + ... + 19998373.

It is an arithmetic number, because the mean of its divisors is an integer number (23306182515).

Almost surely, 2^354394005061 is an apocalyptic number.

It is an amenable number.

354394005061 is a deficient number, since it is larger than the sum of its proper divisors (18504915179).

354394005061 is a wasteful number, since it uses less digits than its factorization.

354394005061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30984.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 354394005061 in words is "three hundred fifty-four billion, three hundred ninety-four million, five thousand, sixty-one".