38948485251 has 8 divisors (see below), whose sum is σ = 55926030160. Its totient is φ = 23968298592.

The previous prime is 38948485249. The next prime is 38948485309. The reversal of 38948485251 is 15258484983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38948485251 - 2¹ = 38948485249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38948485191 and 38948485200.

It is not an unprimeable number, because it can be changed into a prime (38948485241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499339516 + ... + 499339593.

It is an arithmetic number, because the mean of its divisors is an integer number (6990753770).

Almost surely, 2^38948485251 is an apocalyptic number.

38948485251 is a deficient number, since it is larger than the sum of its proper divisors (16977544909).

38948485251 is a wasteful number, since it uses less digits than its factorization.

38948485251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998679125.

The product of its digits is 11059200, while the sum is 57.

The spelling of 38948485251 in words is "thirty-eight billion, nine hundred forty-eight million, four hundred eighty-five thousand, two hundred fifty-one".