354216369679 has 2 divisors, whose sum is σ = 354216369680. Its totient is φ = 354216369678.

The previous prime is 354216369673. The next prime is 354216369757. The reversal of 354216369679 is 976963612453.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (976963612453) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354216369679 is a prime.

It is a super-3 number, since 3×354216369679³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354216369673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177108184839 + 177108184840.

It is an arithmetic number, because the mean of its divisors is an integer number (177108184840).

Almost surely, 2^354216369679 is an apocalyptic number.

354216369679 is a deficient number, since it is larger than the sum of its proper divisors (1).

354216369679 is an equidigital number, since it uses as much as digits as its factorization.

354216369679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44089920, while the sum is 61.

The spelling of 354216369679 in words is "three hundred fifty-four billion, two hundred sixteen million, three hundred sixty-nine thousand, six hundred seventy-nine".