38919291983 has 8 divisors (see below), whose sum is σ = 45723364176. Its totient is φ = 32659545600.

The previous prime is 38919291977. The next prime is 38919292001.

38919291983 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 38919291983 - 2¹⁶ = 38919226447 is a prime.

It is a super-2 number, since 2×38919291983² (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 (38919291913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136081298 + ... + 136081583.

It is an arithmetic number, because the mean of its divisors is an integer number (5715420522).

Almost surely, 2^38919291983 is an apocalyptic number.

38919291983 is a deficient number, since it is larger than the sum of its proper divisors (6804072193).

38919291983 is a wasteful number, since it uses less digits than its factorization.

38919291983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272162905.

The product of its digits is 7558272, while the sum is 62.

The spelling of 38919291983 in words is "thirty-eight billion, nine hundred nineteen million, two hundred ninety-one thousand, nine hundred eighty-three".