2669993144 has 144 divisors (see below), whose sum is σ = 6466385520. Its totient is φ = 1029450240.

The previous prime is 2669993129. The next prime is 2669993159. The reversal of 2669993144 is 4413999662.

It is an interprime number because it is at equal distance from previous prime (2669993129) and next prime (2669993159).

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2715677 + ... + 2716659.

It is an arithmetic number, because the mean of its divisors is an integer number (44905455).

Almost surely, 2^2669993144 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 2669993144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3233192760).

2669993144 is an abundant number, since it is smaller than the sum of its proper divisors (3796392376).

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

2669993144 is a wasteful number, since it uses less digits than its factorization.

2669993144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1046 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 53.

The square root of 2669993144 is about 51671.9763895286. The cubic root of 2669993144 is about 1387.2989217469.

The spelling of 2669993144 in words is "two billion, six hundred sixty-nine million, nine hundred ninety-three thousand, one hundred forty-four".