3495665943 has 64 divisors (see below), whose sum is σ = 6467005440. Its totient is φ = 1813017600.

The previous prime is 3495665903. The next prime is 3495665959.

3495665943 is a `hidden beast` number, since 3 + 49 + 5 + 6 + 6 + 594 + 3 = 666.

3495665943 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3495665943 - 2²⁵ = 3462111511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3495665943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3495665903) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2030323 + ... + 2032043.

It is an arithmetic number, because the mean of its divisors is an integer number (101046960).

Almost surely, 2^3495665943 is an apocalyptic number.

3495665943 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3495665943 is a deficient number, since it is larger than the sum of its proper divisors (2971339497).

3495665943 is a wasteful number, since it uses less digits than its factorization.

3495665943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2719 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 54.

The square root of 3495665943 is about 59124.1570172463. The cubic root of 3495665943 is about 1517.6675247113.

The spelling of 3495665943 in words is "three billion, four hundred ninety-five million, six hundred sixty-five thousand, nine hundred forty-three".