345498470648121 has 32 divisors (see below), whose sum is σ = 551568184680448. Its totient is φ = 188207434293120.

The previous prime is 345498470648057. The next prime is 345498470648129. The reversal of 345498470648121 is 121846074894543.

It is not a de Polignac number, because 345498470648121 - 2⁶ = 345498470648057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345498470648129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3960550540 + ... + 3960637773.

It is an arithmetic number, because the mean of its divisors is an integer number (17236505771264).

It is a 1-persistent number, because it is pandigital, but 2⋅345498470648121 = 690996941296242 is not.

Almost surely, 2^{345498470648121} is an apocalyptic number.

345498470648121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

345498470648121 is a deficient number, since it is larger than the sum of its proper divisors (206069714032327).

345498470648121 is a wasteful number, since it uses less digits than its factorization.

345498470648121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921188421.

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 345498470648121 in words is "three hundred forty-five trillion, four hundred ninety-eight billion, four hundred seventy million, six hundred forty-eight thousand, one hundred twenty-one".