384735070738457 has 4 divisors (see below), whose sum is σ = 407366545487796. Its totient is φ = 362103595989120.

The previous prime is 384735070738393. The next prime is 384735070738541. The reversal of 384735070738457 is 754837070537483.

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 250370367025216 + 134364703713241 = 15823096^2 + 11591579^2 .

It is a cyclic number.

It is not a de Polignac number, because 384735070738457 - 2⁶ = 384735070738393 is a prime.

It is a super-2 number, since 2×384735070738457² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384735070738757) 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, 11315737374644 + ... + 11315737374677.

It is an arithmetic number, because the mean of its divisors is an integer number (101841636371949).

Almost surely, 2^{384735070738457} is an apocalyptic number.

It is an amenable number.

384735070738457 is a deficient number, since it is larger than the sum of its proper divisors (22631474749339).

384735070738457 is a wasteful number, since it uses less digits than its factorization.

384735070738457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22631474749338.

The product of its (nonzero) digits is 1659571200, while the sum is 71.

The spelling of 384735070738457 in words is "three hundred eighty-four trillion, seven hundred thirty-five billion, seventy million, seven hundred thirty-eight thousand, four hundred fifty-seven".