38403648133873 has 4 divisors (see below), whose sum is σ = 41894888873328. Its totient is φ = 34912407394420.

The previous prime is 38403648133849. The next prime is 38403648133897. The reversal of 38403648133873 is 37833184630483.

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 an interprime number because it is at equal distance from previous prime (38403648133849) and next prime (38403648133897).

It is a cyclic number.

It is not a de Polignac number, because 38403648133873 - 2¹³ = 38403648125681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38403648133843) 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, 1745620369711 + ... + 1745620369732.

It is an arithmetic number, because the mean of its divisors is an integer number (10473722218332).

Almost surely, 2^{38403648133873} is an apocalyptic number.

It is an amenable number.

38403648133873 is a deficient number, since it is larger than the sum of its proper divisors (3491240739455).

38403648133873 is a wasteful number, since it uses less digits than its factorization.

38403648133873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491240739454.

The product of its (nonzero) digits is 83607552, while the sum is 61.

The spelling of 38403648133873 in words is "thirty-eight trillion, four hundred three billion, six hundred forty-eight million, one hundred thirty-three thousand, eight hundred seventy-three".