351923019361 has 3 divisors (see below), whose sum is σ = 351923612593. Its totient is φ = 351922426130.

The previous prime is 351923019319. The next prime is 351923019379. The reversal of 351923019361 is 163910329153.

The square root of 351923019361 is 593231.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 163910329153 = 11171 ⋅14672843.

It is not a de Polignac number, because 351923019361 - 2²¹ = 351920922209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351923013361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 296616 + ... + 889846.

Almost surely, 2^351923019361 is an apocalyptic number.

351923019361 is the 593231-st square number.

351923019361 is the 296616-th centered octagonal number.

It is an amenable number.

351923019361 is a deficient number, since it is larger than the sum of its proper divisors (593232).

351923019361 is an frugal number, since it uses more digits than its factorization.

351923019361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186462 (or 593231 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The spelling of 351923019361 in words is "three hundred fifty-one billion, nine hundred twenty-three million, nineteen thousand, three hundred sixty-one".