3502405056643 has 8 divisors (see below), whose sum is σ = 3519948439040. Its totient is φ = 3484905153480.

The previous prime is 3502405056593. The next prime is 3502405056677. The reversal of 3502405056643 is 3466505042053.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3502405056643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3502405056643.

It is not an unprimeable number, because it can be changed into a prime (3502405056743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10708293 + ... + 11030518.

It is an arithmetic number, because the mean of its divisors is an integer number (439993554880).

Almost surely, 2^{3502405056643} is an apocalyptic number.

3502405056643 is a deficient number, since it is larger than the sum of its proper divisors (17543382397).

3502405056643 is a wasteful number, since it uses less digits than its factorization.

3502405056643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21739617.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 3502405056643 in words is "three trillion, five hundred two billion, four hundred five million, fifty-six thousand, six hundred forty-three".