38734643783 has 24 divisors (see below), whose sum is σ = 42892608528. Its totient is φ = 34952544000.

The previous prime is 38734643771. The next prime is 38734643789.

38734643783 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 38734643783 - 2¹⁰ = 38734642759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38734643789) 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, 9650285 + ... + 9654297.

It is an arithmetic number, because the mean of its divisors is an integer number (1787192022).

Almost surely, 2^38734643783 is an apocalyptic number.

38734643783 is a deficient number, since it is larger than the sum of its proper divisors (4157964745).

38734643783 is a wasteful number, since it uses less digits than its factorization.

38734643783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607 (or 4596 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 56.

The spelling of 38734643783 in words is "thirty-eight billion, seven hundred thirty-four million, six hundred forty-three thousand, seven hundred eighty-three".