38061773397 has 10 divisors (see below), whose sum is σ = 56857710998. Its totient is φ = 25374515544.

The previous prime is 38061773369. The next prime is 38061773429. The reversal of 38061773397 is 79337716083.

It is a happy number.

38061773397 is a `hidden beast` number, since 3 + 80 + 6 + 177 + 3 + 397 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38050744356 + 11029041 = 195066^2 + 3321^2 .

It is not a de Polignac number, because 38061773397 - 2²² = 38057579093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38061703397) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 234949138 + ... + 234949299.

Almost surely, 2^38061773397 is an apocalyptic number.

It is an amenable number.

38061773397 is a deficient number, since it is larger than the sum of its proper divisors (18795937601).

38061773397 is an equidigital number, since it uses as much as digits as its factorization.

38061773397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469898449 (or 469898440 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 54.

The spelling of 38061773397 in words is "thirty-eight billion, sixty-one million, seven hundred seventy-three thousand, three hundred ninety-seven".