65038623438274 has 16 divisors (see below), whose sum is σ = 105245630383608. Its totient is φ = 30028931575552.

The previous prime is 65038623438161. The next prime is 65038623438293. The reversal of 65038623438274 is 47283432683056.

It can be written as a sum of positive squares in 4 ways, for example, as 62859288708225 + 2179334730049 = 7928385^2 + 1476257^2 .

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, 18046231117 + ... + 18046234720.

Almost surely, 2^{65038623438274} is an apocalyptic number.

65038623438274 is a deficient number, since it is larger than the sum of its proper divisors (40207006945334).

65038623438274 is a wasteful number, since it uses less digits than its factorization.

65038623438274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36092465909.

The product of its (nonzero) digits is 139345920, while the sum is 61.

The spelling of 65038623438274 in words is "sixty-five trillion, thirty-eight billion, six hundred twenty-three million, four hundred thirty-eight thousand, two hundred seventy-four".