2849521538 has 16 divisors (see below), whose sum is σ = 4532204664. Its totient is φ = 1339027200.

The previous prime is 2849521529. The next prime is 2849521603. The reversal of 2849521538 is 8351259482.

It is a happy number.

2849521538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2798727409 + 50794129 = 52903^2 + 7127^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2849521492 and 2849521501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35945 + ... + 83612.

Almost surely, 2^2849521538 is an apocalyptic number.

2849521538 is a deficient number, since it is larger than the sum of its proper divisors (1682683126).

2849521538 is a wasteful number, since it uses less digits than its factorization.

2849521538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120277.

The product of its digits is 691200, while the sum is 47.

The square root of 2849521538 is about 53380.9098648571. The cubic root of 2849521538 is about 1417.7205938294.

The spelling of 2849521538 in words is "two billion, eight hundred forty-nine million, five hundred twenty-one thousand, five hundred thirty-eight".