1613897836 has 6 divisors (see below), whose sum is σ = 2824321220. Its totient is φ = 806948916.

The previous prime is 1613897827. The next prime is 1613897837. The reversal of 1613897836 is 6387983161.

It is not an unprimeable number, because it can be changed into a prime (1613897837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201737226 + ... + 201737233.

Almost surely, 2^1613897836 is an apocalyptic number.

It is an amenable number.

1613897836 is a deficient number, since it is larger than the sum of its proper divisors (1210423384).

1613897836 is a wasteful number, since it uses less digits than its factorization.

1613897836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403474463 (or 403474461 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 1613897836 is about 40173.3473337734. The cubic root of 1613897836 is about 1172.9837971475.

The spelling of 1613897836 in words is "one billion, six hundred thirteen million, eight hundred ninety-seven thousand, eight hundred thirty-six".