38495673253 has 2 divisors, whose sum is σ = 38495673254. Its totient is φ = 38495673252.

The previous prime is 38495673193. The next prime is 38495673257. The reversal of 38495673253 is 35237659483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28149121729 + 10346551524 = 167777^2 + 101718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38495673253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38495673194 and 38495673203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38495673257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19247836626 + 19247836627.

It is an arithmetic number, because the mean of its divisors is an integer number (19247836627).

Almost surely, 2^38495673253 is an apocalyptic number.

It is an amenable number.

38495673253 is a deficient number, since it is larger than the sum of its proper divisors (1).

38495673253 is an equidigital number, since it uses as much as digits as its factorization.

38495673253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 55.

The spelling of 38495673253 in words is "thirty-eight billion, four hundred ninety-five million, six hundred seventy-three thousand, two hundred fifty-three".