351444223507 has 8 divisors (see below), whose sum is σ = 379951076736. Its totient is φ = 323147753472.

The previous prime is 351444223447. The next prime is 351444223549. The reversal of 351444223507 is 705322444153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351444223507 - 2¹¹ = 351444221459 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 351444223507.

It is not an unprimeable number, because it can be changed into a prime (351444223807) 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 7 ways as a sum of consecutive naturals, for example, 52592323 + ... + 52599004.

It is an arithmetic number, because the mean of its divisors is an integer number (47493884592).

Almost surely, 2^351444223507 is an apocalyptic number.

351444223507 is a deficient number, since it is larger than the sum of its proper divisors (28506853229).

351444223507 is a wasteful number, since it uses less digits than its factorization.

351444223507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105191597.

The product of its (nonzero) digits is 403200, while the sum is 40.

The spelling of 351444223507 in words is "three hundred fifty-one billion, four hundred forty-four million, two hundred twenty-three thousand, five hundred seven".