352421304499 has 16 divisors (see below), whose sum is σ = 401308038144. Its totient is φ = 306351865600.

The previous prime is 352421304481. The next prime is 352421304503. The reversal of 352421304499 is 994403124253.

It is a happy number.

It is not a de Polignac number, because 352421304499 - 2⁹ = 352421303987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352421304449) 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 15 ways as a sum of consecutive naturals, for example, 540342 + ... + 998404.

It is an arithmetic number, because the mean of its divisors is an integer number (25081752384).

Almost surely, 2^352421304499 is an apocalyptic number.

352421304499 is a deficient number, since it is larger than the sum of its proper divisors (48886733645).

352421304499 is a wasteful number, since it uses less digits than its factorization.

352421304499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461138.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 352421304499 in words is "three hundred fifty-two billion, four hundred twenty-one million, three hundred four thousand, four hundred ninety-nine".