38748618553441 has 4 divisors (see below), whose sum is σ = 39693706810884. Its totient is φ = 37803530296000.

The previous prime is 38748618553343. The next prime is 38748618553483. The reversal of 38748618553441 is 14435581684783.

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 7452381309025 + 31296237244416 = 2729905^2 + 5594304^2 .

It is a cyclic number.

It is not a de Polignac number, because 38748618553441 - 2³¹ = 38746471069793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38748618553241) 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, 472544128660 + ... + 472544128741.

It is an arithmetic number, because the mean of its divisors is an integer number (9923426702721).

Almost surely, 2^{38748618553441} is an apocalyptic number.

It is an amenable number.

38748618553441 is a deficient number, since it is larger than the sum of its proper divisors (945088257443).

38748618553441 is an equidigital number, since it uses as much as digits as its factorization.

38748618553441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945088257442.

The product of its digits is 309657600, while the sum is 67.

The spelling of 38748618553441 in words is "thirty-eight trillion, seven hundred forty-eight billion, six hundred eighteen million, five hundred fifty-three thousand, four hundred forty-one".