3674897649 has 12 divisors (see below), whose sum is σ = 5310194500. Its totient is φ = 2449004544.

The previous prime is 3674897647. The next prime is 3674897663. The reversal of 3674897649 is 9467984763.

It can be written as a sum of positive squares in 2 ways, for example, as 171086400 + 3503811249 = 13080^2 + 59193^2 .

It is not a de Polignac number, because 3674897649 - 2¹ = 3674897647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3674897641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51724 + ... + 100125.

Almost surely, 2^3674897649 is an apocalyptic number.

It is an amenable number.

3674897649 is a deficient number, since it is larger than the sum of its proper divisors (1635296851).

3674897649 is a wasteful number, since it uses less digits than its factorization.

3674897649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154544 (or 154541 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The square root of 3674897649 is about 60620.9340822129. The cubic root of 3674897649 is about 1543.1746576936.

The spelling of 3674897649 in words is "three billion, six hundred seventy-four million, eight hundred ninety-seven thousand, six hundred forty-nine".