345404786353 has 16 divisors (see below), whose sum is σ = 399127305600. Its totient is φ = 295417158400.

The previous prime is 345404786351. The next prime is 345404786369. The reversal of 345404786353 is 353687404543.

It is a cyclic number.

It is not a de Polignac number, because 345404786353 - 2¹ = 345404786351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345404786353.

It is not an unprimeable number, because it can be changed into a prime (345404786351) 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, 114348 + ... + 838978.

It is an arithmetic number, because the mean of its divisors is an integer number (24945456600).

Almost surely, 2^345404786353 is an apocalyptic number.

It is an amenable number.

345404786353 is a deficient number, since it is larger than the sum of its proper divisors (53722519247).

345404786353 is a wasteful number, since it uses less digits than its factorization.

345404786353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727208.

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 345404786353 in words is "three hundred forty-five billion, four hundred four million, seven hundred eighty-six thousand, three hundred fifty-three".