2769745536 has 128 divisors (see below), whose sum is σ = 8655638400. Its totient is φ = 868921344.

The previous prime is 2769745513. The next prime is 2769745547. The reversal of 2769745536 is 6355479672.

2769745536 is a `hidden beast` number, since 2 + 7 + 69 + 7 + 45 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35181 + ... + 82323.

It is an arithmetic number, because the mean of its divisors is an integer number (67622175).

Almost surely, 2^2769745536 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 2769745536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4327819200).

2769745536 is an abundant number, since it is smaller than the sum of its proper divisors (5885892864).

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

2769745536 is a wasteful number, since it uses less digits than its factorization.

2769745536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47183 (or 47165 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The square root of 2769745536 is about 52628.3719679794. The cubic root of 2769745536 is about 1404.3648697400.

The spelling of 2769745536 in words is "two billion, seven hundred sixty-nine million, seven hundred forty-five thousand, five hundred thirty-six".