345444768211 has 32 divisors (see below), whose sum is σ = 383846299200. Its totient is φ = 309407293440.

The previous prime is 345444768209. The next prime is 345444768257. The reversal of 345444768211 is 112867444543.

It is a cyclic number.

It is not a de Polignac number, because 345444768211 - 2¹ = 345444768209 is a prime.

It is a super-3 number, since 3×345444768211³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345444768611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10066200 + ... + 10100458.

It is an arithmetic number, because the mean of its divisors is an integer number (11995196850).

Almost surely, 2^345444768211 is an apocalyptic number.

345444768211 is a deficient number, since it is larger than the sum of its proper divisors (38401530989).

345444768211 is a wasteful number, since it uses less digits than its factorization.

345444768211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34599.

The product of its digits is 2580480, while the sum is 49.

The spelling of 345444768211 in words is "three hundred forty-five billion, four hundred forty-four million, seven hundred sixty-eight thousand, two hundred eleven".