3213973063851 has 16 divisors (see below), whose sum is σ = 4676308046208. Its totient is φ = 1947263240000.

The previous prime is 3213973063823. The next prime is 3213973063907. The reversal of 3213973063851 is 1583603793123.

It is a cyclic number.

It is not a de Polignac number, because 3213973063851 - 2⁶ = 3213973063787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3213973063794 and 3213973063803.

It is not an unprimeable number, because it can be changed into a prime (3213973063801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14871666 + ... + 15086231.

It is an arithmetic number, because the mean of its divisors is an integer number (292269252888).

Almost surely, 2^{3213973063851} is an apocalyptic number.

3213973063851 is a deficient number, since it is larger than the sum of its proper divisors (1462334982357).

3213973063851 is a wasteful number, since it uses less digits than its factorization.

3213973063851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29961162.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 3213973063851 in words is "three trillion, two hundred thirteen billion, nine hundred seventy-three million, sixty-three thousand, eight hundred fifty-one".