3618028738 has 4 divisors (see below), whose sum is σ = 5427043110. Its totient is φ = 1809014368.

The previous prime is 3618028717. The next prime is 3618028747. The reversal of 3618028738 is 8378208163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8378208163 = 13 ⋅644477551.

It can be written as a sum of positive squares in only one way, i.e., 3454265529 + 163763209 = 58773^2 + 12797^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904507183 + ... + 904507186.

Almost surely, 2^3618028738 is an apocalyptic number.

3618028738 is a deficient number, since it is larger than the sum of its proper divisors (1809014372).

3618028738 is a wasteful number, since it uses less digits than its factorization.

3618028738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809014371.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 3618028738 is about 60150.0518536767. The cubic root of 3618028738 is about 1535.1730487106.

The spelling of 3618028738 in words is "three billion, six hundred eighteen million, twenty-eight thousand, seven hundred thirty-eight".