2816863401396 has 96 divisors (see below), whose sum is σ = 7217098761600. Its totient is φ = 848029593600.

The previous prime is 2816863401371. The next prime is 2816863401421. The reversal of 2816863401396 is 6931043686182.

It is an interprime number because it is at equal distance from previous prime (2816863401371) and next prime (2816863401421).

It is a super-2 number, since 2×2816863401396² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12387330 + ... + 12612678.

It is an arithmetic number, because the mean of its divisors is an integer number (75178112100).

Almost surely, 2^{2816863401396} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2816863401396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3608549380800).

2816863401396 is an abundant number, since it is smaller than the sum of its proper divisors (4400235360204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2816863401396 is a wasteful number, since it uses less digits than its factorization.

2816863401396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225985 (or 225983 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 2816863401396 in words is "two trillion, eight hundred sixteen billion, eight hundred sixty-three million, four hundred one thousand, three hundred ninety-six".