351444640064611 has 4 divisors (see below), whose sum is σ = 351445510525312. Its totient is φ = 351443769603912.

The previous prime is 351444640064587. The next prime is 351444640064671. The reversal of 351444640064611 is 116460046444153.

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

It is a cyclic number.

It is not a de Polignac number, because 351444640064611 - 2⁹ = 351444640064099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351444640064671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434624451 + ... + 435432316.

It is an arithmetic number, because the mean of its divisors is an integer number (87861377631328).

Almost surely, 2^{351444640064611} is an apocalyptic number.

351444640064611 is a deficient number, since it is larger than the sum of its proper divisors (870460701).

351444640064611 is an equidigital number, since it uses as much as digits as its factorization.

351444640064611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870460700.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 351444640064611 in words is "three hundred fifty-one trillion, four hundred forty-four billion, six hundred forty million, sixty-four thousand, six hundred eleven".