3445636646 has 16 divisors (see below), whose sum is σ = 5350739904. Its totient is φ = 1663061184.

The previous prime is 3445636631. The next prime is 3445636661. The reversal of 3445636646 is 6466365443.

It is an interprime number because it is at equal distance from previous prime (3445636631) and next prime (3445636661).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 3445636646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244205 + ... + 257928.

It is an arithmetic number, because the mean of its divisors is an integer number (334421244).

Almost surely, 2^3445636646 is an apocalyptic number.

3445636646 is a deficient number, since it is larger than the sum of its proper divisors (1905103258).

3445636646 is a wasteful number, since it uses less digits than its factorization.

3445636646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502255.

The product of its digits is 3732480, while the sum is 47.

The square root of 3445636646 is about 58699.5455348676. The cubic root of 3445636646 is about 1510.3925190411.

The spelling of 3445636646 in words is "three billion, four hundred forty-five million, six hundred thirty-six thousand, six hundred forty-six".