38729492783 has 8 divisors (see below), whose sum is σ = 40865193600. Its totient is φ = 36603522648.

The previous prime is 38729492759. The next prime is 38729492819.

38729492783 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 38729492783 - 2²⁶ = 38662383919 is a prime.

It is a super-2 number, since 2×38729492783² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38729492743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424491 + ... + 2440412.

It is an arithmetic number, because the mean of its divisors is an integer number (5108149200).

Almost surely, 2^38729492783 is an apocalyptic number.

38729492783 is a deficient number, since it is larger than the sum of its proper divisors (2135700817).

38729492783 is a wasteful number, since it uses less digits than its factorization.

38729492783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865341.

The product of its digits is 36578304, while the sum is 62.

The spelling of 38729492783 in words is "thirty-eight billion, seven hundred twenty-nine million, four hundred ninety-two thousand, seven hundred eighty-three".