345946514221 has 12 divisors (see below), whose sum is σ = 434577440416. Its totient is φ = 269568711720.

The previous prime is 345946514197. The next prime is 345946514231. The reversal of 345946514221 is 122415649543.

It is not a de Polignac number, because 345946514221 - 2²⁵ = 345912959789 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345946514231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204217875 + ... + 204219568.

Almost surely, 2^345946514221 is an apocalyptic number.

It is an amenable number.

345946514221 is a deficient number, since it is larger than the sum of its proper divisors (88630926195).

345946514221 is a wasteful number, since it uses less digits than its factorization.

345946514221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408437472 (or 408437461 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The spelling of 345946514221 in words is "three hundred forty-five billion, nine hundred forty-six million, five hundred fourteen thousand, two hundred twenty-one".