351674284478399 has 16 divisors (see below), whose sum is σ = 359549126530272. Its totient is φ = 343845457657728.

The previous prime is 351674284478369. The next prime is 351674284478401. The reversal of 351674284478399 is 993874482476153.

It is a cyclic number.

It is not a de Polignac number, because 351674284478399 - 2¹⁶ = 351674284412863 is a prime.

It is a super-2 number, since 2×351674284478399² (a number of 30 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 (351674284478369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343565012 + ... + 344587094.

It is an arithmetic number, because the mean of its divisors is an integer number (22471820408142).

Almost surely, 2^{351674284478399} is an apocalyptic number.

351674284478399 is a deficient number, since it is larger than the sum of its proper divisors (7874842051873).

351674284478399 is a wasteful number, since it uses less digits than its factorization.

351674284478399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044586.

The product of its digits is 8778792960, while the sum is 80.

The spelling of 351674284478399 in words is "three hundred fifty-one trillion, six hundred seventy-four billion, two hundred eighty-four million, four hundred seventy-eight thousand, three hundred ninety-nine".