351146352397 has 4 divisors (see below), whose sum is σ = 351157094460. Its totient is φ = 351135610336.

The previous prime is 351146352313. The next prime is 351146352499. The reversal of 351146352397 is 793253641153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77267876841 + 273878475556 = 277971^2 + 523334^2 .

It is a cyclic number.

It is not a de Polignac number, because 351146352397 - 2¹⁹ = 351145828109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351146352397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351146382397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5321848 + ... + 5387425.

It is an arithmetic number, because the mean of its divisors is an integer number (87789273615).

Almost surely, 2^351146352397 is an apocalyptic number.

It is an amenable number.

351146352397 is a deficient number, since it is larger than the sum of its proper divisors (10742063).

351146352397 is a wasteful number, since it uses less digits than its factorization.

351146352397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10742062.

The product of its digits is 2041200, while the sum is 49.

The spelling of 351146352397 in words is "three hundred fifty-one billion, one hundred forty-six million, three hundred fifty-two thousand, three hundred ninety-seven".