2738861385 has 32 divisors (see below), whose sum is σ = 4724364288. Its totient is φ = 1346906880.

The previous prime is 2738861341. The next prime is 2738861399. The reversal of 2738861385 is 5831688372.

It is not a de Polignac number, because 2738861385 - 2¹⁴ = 2738845001 is a prime.

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, 186159 + ... + 200331.

It is an arithmetic number, because the mean of its divisors is an integer number (147636384).

Almost surely, 2^2738861385 is an apocalyptic number.

It is an amenable number.

2738861385 is a deficient number, since it is larger than the sum of its proper divisors (1985502903).

2738861385 is a wasteful number, since it uses less digits than its factorization.

2738861385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185.

The product of its digits is 1935360, while the sum is 51.

The square root of 2738861385 is about 52334.1321223540. The cubic root of 2738861385 is about 1399.1255397976.

The spelling of 2738861385 in words is "two billion, seven hundred thirty-eight million, eight hundred sixty-one thousand, three hundred eighty-five".