354215233513 has 18 divisors (see below), whose sum is σ = 387175207614. Its totient is φ = 324000589248.

The previous prime is 354215233433. The next prime is 354215233591. The reversal of 354215233513 is 315332512453.

It can be written as a sum of positive squares in 3 ways, for example, as 130966543449 + 223248690064 = 361893^2 + 472492^2 .

It is not a de Polignac number, because 354215233513 - 2¹⁷ = 354215102441 is a prime.

It is a super-3 number, since 3×354215233513³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (354215233313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 279756 + ... + 886957.

Almost surely, 2^354215233513 is an apocalyptic number.

It is an amenable number.

354215233513 is a deficient number, since it is larger than the sum of its proper divisors (32959974101).

354215233513 is a wasteful number, since it uses less digits than its factorization.

354215233513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166809 (or 1166761 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

Adding to 354215233513 its reverse (315332512453), we get a palindrome (669547745966).

The spelling of 354215233513 in words is "three hundred fifty-four billion, two hundred fifteen million, two hundred thirty-three thousand, five hundred thirteen".