353406930686783 has 16 divisors (see below), whose sum is σ = 363496126797216. Its totient is φ = 343389227074560.

The previous prime is 353406930686687. The next prime is 353406930686819. The reversal of 353406930686783 is 387686039604353.

It is a cyclic number.

It is not a de Polignac number, because 353406930686783 - 2⁸ = 353406930686527 is a prime.

It is a super-3 number, since 3×353406930686783³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353406930616783) 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, 9184616 + ... + 28127762.

It is an arithmetic number, because the mean of its divisors is an integer number (22718507924826).

Almost surely, 2^{353406930686783} is an apocalyptic number.

353406930686783 is a deficient number, since it is larger than the sum of its proper divisors (10089196110433).

353406930686783 is a wasteful number, since it uses less digits than its factorization.

353406930686783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18945034.

The product of its (nonzero) digits is 1410877440, while the sum is 71.

The spelling of 353406930686783 in words is "three hundred fifty-three trillion, four hundred six billion, nine hundred thirty million, six hundred eighty-six thousand, seven hundred eighty-three".