3445709816 has 8 divisors (see below), whose sum is σ = 6460705920. Its totient is φ = 1722854904.

The previous prime is 3445709809. The next prime is 3445709819. The reversal of 3445709816 is 6189075443.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3445709816² = 23745832272157507712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445709819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215356856 + ... + 215356871.

It is an arithmetic number, because the mean of its divisors is an integer number (807588240).

Almost surely, 2^3445709816 is an apocalyptic number.

It is an amenable number.

3445709816 is a deficient number, since it is larger than the sum of its proper divisors (3014996104).

3445709816 is a wasteful number, since it uses less digits than its factorization.

3445709816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430713733 (or 430713729 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 3445709816 is about 58700.1687902173. The cubic root of 3445709816 is about 1510.4032103056.

The spelling of 3445709816 in words is "three billion, four hundred forty-five million, seven hundred nine thousand, eight hundred sixteen".