354430016645 has 16 divisors (see below), whose sum is σ = 427155606000. Its totient is φ = 282318901248.

The previous prime is 354430016641. The next prime is 354430016671. The reversal of 354430016645 is 546610034453.

It can be written as a sum of positive squares in 8 ways, for example, as 2789318596 + 351640698049 = 52814^2 + 592993^2 .

It is a cyclic number.

It is not a de Polignac number, because 354430016645 - 2² = 354430016641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354430016641) 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, 2165861 + ... + 2323749.

It is an arithmetic number, because the mean of its divisors is an integer number (26697225375).

Almost surely, 2^354430016645 is an apocalyptic number.

It is an amenable number.

354430016645 is a deficient number, since it is larger than the sum of its proper divisors (72725589355).

354430016645 is a wasteful number, since it uses less digits than its factorization.

354430016645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159832.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 354430016645 in words is "three hundred fifty-four billion, four hundred thirty million, sixteen thousand, six hundred forty-five".