3520256642463 has 48 divisors (see below), whose sum is σ = 5221427073408. Its totient is φ = 2107831704000.

The previous prime is 3520256642449. The next prime is 3520256642479. The reversal of 3520256642463 is 3642466520253.

It is not a de Polignac number, because 3520256642463 - 2¹⁰ = 3520256641439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520256642443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17018820 + ... + 17224422.

It is an arithmetic number, because the mean of its divisors is an integer number (108779730696).

Almost surely, 2^{3520256642463} is an apocalyptic number.

3520256642463 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3520256642463 is a deficient number, since it is larger than the sum of its proper divisors (1701170430945).

3520256642463 is a wasteful number, since it uses less digits than its factorization.

3520256642463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206196 (or 206185 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 48.

It can be divided in two parts, 35202 and 56642463, that added together give a palindrome (56677665).

The spelling of 3520256642463 in words is "three trillion, five hundred twenty billion, two hundred fifty-six million, six hundred forty-two thousand, four hundred sixty-three".