345420272005535 has 16 divisors (see below), whose sum is σ = 417537863323776. Its totient is φ = 274313936548608.

The previous prime is 345420272005531. The next prime is 345420272005537. The reversal of 345420272005535 is 535500272024543.

It is a cyclic number.

It is not a de Polignac number, because 345420272005535 - 2² = 345420272005531 is a prime.

It is a super-2 number, since 2×345420272005535² (a number of 30 digits) contains 22 as substring.

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 345420272005535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345420272005531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31359434 + ... + 40917656.

It is an arithmetic number, because the mean of its divisors is an integer number (26096116457736).

Almost surely, 2^{345420272005535} is an apocalyptic number.

345420272005535 is a deficient number, since it is larger than the sum of its proper divisors (72117591318241).

345420272005535 is a wasteful number, since it uses less digits than its factorization.

345420272005535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9611122.

The product of its (nonzero) digits is 5040000, while the sum is 47.

The spelling of 345420272005535 in words is "three hundred forty-five trillion, four hundred twenty billion, two hundred seventy-two million, five thousand, five hundred thirty-five".