38148805253 has 4 divisors (see below), whose sum is σ = 41083328748. Its totient is φ = 35214281760.

The previous prime is 38148805249. The next prime is 38148805259. The reversal of 38148805253 is 35250884183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2515824964 + 35632980289 = 50158^2 + 188767^2 .

It is a cyclic number.

It is not a de Polignac number, because 38148805253 - 2² = 38148805249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38148805198 and 38148805207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38148805259) 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, 1467261728 + ... + 1467261753.

It is an arithmetic number, because the mean of its divisors is an integer number (10270832187).

Almost surely, 2^38148805253 is an apocalyptic number.

It is an amenable number.

38148805253 is a deficient number, since it is larger than the sum of its proper divisors (2934523495).

38148805253 is a wasteful number, since it uses less digits than its factorization.

38148805253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934523494.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 38148805253 in words is "thirty-eight billion, one hundred forty-eight million, eight hundred five thousand, two hundred fifty-three".