346893398643 has 16 divisors (see below), whose sum is σ = 531128649600. Its totient is φ = 199173242880.

The previous prime is 346893398639. The next prime is 346893398659.

346893398643 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 346893398643 - 2² = 346893398639 is a prime.

It is a super-3 number, since 3×346893398643³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (346893398543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276628878 + ... + 276630131.

It is an arithmetic number, because the mean of its divisors is an integer number (33195540600).

Almost surely, 2^346893398643 is an apocalyptic number.

346893398643 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

346893398643 is a deficient number, since it is larger than the sum of its proper divisors (184235250957).

346893398643 is a wasteful number, since it uses less digits than its factorization.

346893398643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553259042.

The product of its digits is 241864704, while the sum is 66.

The spelling of 346893398643 in words is "three hundred forty-six billion, eight hundred ninety-three million, three hundred ninety-eight thousand, six hundred forty-three".