3870722019213 has 24 divisors (see below), whose sum is σ = 6390073093248. Its totient is φ = 2211733929312.

The previous prime is 3870722019211. The next prime is 3870722019223. The reversal of 3870722019213 is 3129102270783.

3870722019213 is a `hidden beast` number, since 387 + 0 + 72 + 2 + 0 + 192 + 13 = 666.

It is not a de Polignac number, because 3870722019213 - 2¹ = 3870722019211 is a prime.

It is a super-2 number, since 2×3870722019213² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870722019211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170145 + ... + 2787542.

It is an arithmetic number, because the mean of its divisors is an integer number (266253045552).

Almost surely, 2^{3870722019213} is an apocalyptic number.

It is an amenable number.

3870722019213 is a deficient number, since it is larger than the sum of its proper divisors (2519351074035).

3870722019213 is a wasteful number, since it uses less digits than its factorization.

3870722019213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978473 (or 2978470 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

Adding to 3870722019213 its reverse (3129102270783), we get a palindrome (6999824289996).

The spelling of 3870722019213 in words is "three trillion, eight hundred seventy billion, seven hundred twenty-two million, nineteen thousand, two hundred thirteen".