38130333697 has 4 divisors (see below), whose sum is σ = 39445172820. Its totient is φ = 36815494576.

The previous prime is 38130333691. The next prime is 38130333739. The reversal of 38130333697 is 79633303183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79633303183 = 7 ⋅11376186169.

It can be written as a sum of positive squares in 2 ways, for example, as 21526464961 + 16603868736 = 146719^2 + 128856^2 .

It is a cyclic number.

It is not a de Polignac number, because 38130333697 - 2²³ = 38121945089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38130333691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657419518 + ... + 657419575.

It is an arithmetic number, because the mean of its divisors is an integer number (9861293205).

Almost surely, 2^38130333697 is an apocalyptic number.

It is an amenable number.

38130333697 is a deficient number, since it is larger than the sum of its proper divisors (1314839123).

38130333697 is a wasteful number, since it uses less digits than its factorization.

38130333697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314839122.

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 38130333697 in words is "thirty-eight billion, one hundred thirty million, three hundred thirty-three thousand, six hundred ninety-seven".