38734043783 has 4 divisors (see below), whose sum is σ = 39133363920. Its totient is φ = 38334723648.

The previous prime is 38734043767. The next prime is 38734043791.

38734043783 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38734043783 - 2⁴ = 38734043767 is a prime.

It is a super-2 number, since 2×38734043783² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38734043743) 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, 199659923 + ... + 199660116.

It is an arithmetic number, because the mean of its divisors is an integer number (9783340980).

Almost surely, 2^38734043783 is an apocalyptic number.

38734043783 is a deficient number, since it is larger than the sum of its proper divisors (399320137).

38734043783 is an equidigital number, since it uses as much as digits as its factorization.

38734043783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399320136.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 38734043783 in words is "thirty-eight billion, seven hundred thirty-four million, forty-three thousand, seven hundred eighty-three".