38748610422381 has 4 divisors (see below), whose sum is σ = 51664813896512. Its totient is φ = 25832406948252.

The previous prime is 38748610422337. The next prime is 38748610422413. The reversal of 38748610422381 is 18322401684783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38748610422381 - 2²² = 38748606228077 is a prime.

It is a super-2 number, since 2×38748610422381² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38748610422311) 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, 6458101737061 + ... + 6458101737066.

It is an arithmetic number, because the mean of its divisors is an integer number (12916203474128).

Almost surely, 2^{38748610422381} is an apocalyptic number.

It is an amenable number.

38748610422381 is a deficient number, since it is larger than the sum of its proper divisors (12916203474131).

38748610422381 is a wasteful number, since it uses less digits than its factorization.

38748610422381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12916203474130.

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 38748610422381 in words is "thirty-eight trillion, seven hundred forty-eight billion, six hundred ten million, four hundred twenty-two thousand, three hundred eighty-one".