3213556892493 has 16 divisors (see below), whose sum is σ = 4534008016896. Its totient is φ = 2020362362480.

The previous prime is 3213556892423. The next prime is 3213556892501. The reversal of 3213556892493 is 3942986553123.

It is a cyclic number.

It is not a de Polignac number, because 3213556892493 - 2¹³ = 3213556884301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213556892423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327976005 + ... + 327985802.

It is an arithmetic number, because the mean of its divisors is an integer number (283375501056).

Almost surely, 2^{3213556892493} is an apocalyptic number.

It is an amenable number.

3213556892493 is a deficient number, since it is larger than the sum of its proper divisors (1320451124403).

3213556892493 is a wasteful number, since it uses less digits than its factorization.

3213556892493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655961904.

The product of its digits is 41990400, while the sum is 60.

The spelling of 3213556892493 in words is "three trillion, two hundred thirteen billion, five hundred fifty-six million, eight hundred ninety-two thousand, four hundred ninety-three".