2866473091944 has 960 divisors, whose sum is σ = 10814782003200. Its totient is φ = 700481295360.

The previous prime is 2866473091877. The next prime is 2866473091981. The reversal of 2866473091944 is 4491903746682.

It is a happy number.

2866473091944 is a `hidden beast` number, since 2 + 86 + 64 + 7 + 309 + 194 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1066791769 + ... + 1066794455.

It is an arithmetic number, because the mean of its divisors is an integer number (11265397920).

Almost surely, 2^{2866473091944} is an apocalyptic number.

2866473091944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2866473091944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5407391001600).

2866473091944 is an abundant number, since it is smaller than the sum of its proper divisors (7948308911256).

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

2866473091944 is a wasteful number, since it uses less digits than its factorization.

2866473091944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2769 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 2866473091944 in words is "two trillion, eight hundred sixty-six billion, four hundred seventy-three million, ninety-one thousand, nine hundred forty-four".