3465665643 has 32 divisors (see below), whose sum is σ = 5187674880. Its totient is φ = 2039506560.

The previous prime is 3465665641. The next prime is 3465665647.

3465665643 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3465665643 - 2¹ = 3465665641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3465665592 and 3465665601.

It is not an unprimeable number, because it can be changed into a prime (3465665641) 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, 665293 + ... + 670481.

It is an arithmetic number, because the mean of its divisors is an integer number (162114840).

Almost surely, 2^3465665643 is an apocalyptic number.

3465665643 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3465665643 is a deficient number, since it is larger than the sum of its proper divisors (1722009237).

3465665643 is a wasteful number, since it uses less digits than its factorization.

3465665643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787.

The product of its digits is 4665600, while the sum is 48.

The square root of 3465665643 is about 58869.9043909534. The cubic root of 3465665643 is about 1513.3134325248.

The spelling of 3465665643 in words is "three billion, four hundred sixty-five million, six hundred sixty-five thousand, six hundred forty-three".