38970277643 has 8 divisors (see below), whose sum is σ = 42525119280. Its totient is φ = 35417450880.

The previous prime is 38970277637. The next prime is 38970277663. The reversal of 38970277643 is 34677207983.

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

It is a cyclic number.

It is not a de Polignac number, because 38970277643 - 2¹² = 38970273547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38970277663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463130 + ... + 540767.

It is an arithmetic number, because the mean of its divisors is an integer number (5315639910).

Almost surely, 2^38970277643 is an apocalyptic number.

38970277643 is a deficient number, since it is larger than the sum of its proper divisors (3554841637).

38970277643 is a wasteful number, since it uses less digits than its factorization.

38970277643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007437.

The product of its (nonzero) digits is 10668672, while the sum is 56.

It can be divided in two parts, 38970 and 277643, that added together give a palindrome (316613).

The spelling of 38970277643 in words is "thirty-eight billion, nine hundred seventy million, two hundred seventy-seven thousand, six hundred forty-three".