385748367021 has 24 divisors (see below), whose sum is σ = 597076159680. Its totient is φ = 239122060416.

The previous prime is 385748367001. The next prime is 385748367029. The reversal of 385748367021 is 120763847583.

It is a happy number.

385748367021 is a `hidden beast` number, since 3 + 8 + 574 + 8 + 3 + 67 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 385748367021 - 2⁷ = 385748366893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385748367029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15175441 + ... + 15200838.

It is an arithmetic number, because the mean of its divisors is an integer number (24878173320).

Almost surely, 2^385748367021 is an apocalyptic number.

It is an amenable number.

385748367021 is a deficient number, since it is larger than the sum of its proper divisors (211327792659).

385748367021 is a wasteful number, since it uses less digits than its factorization.

385748367021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30376385 (or 30376382 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 385748367021 in words is "three hundred eighty-five billion, seven hundred forty-eight million, three hundred sixty-seven thousand, twenty-one".