38261764065 has 16 divisors (see below), whose sum is σ = 69964368768. Its totient is φ = 17491092096.

The previous prime is 38261764061. The next prime is 38261764097. The reversal of 38261764065 is 56046716283.

It is not a de Polignac number, because 38261764065 - 2² = 38261764061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38261764061) 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 15 ways as a sum of consecutive naturals, for example, 182198772 + ... + 182198981.

It is an arithmetic number, because the mean of its divisors is an integer number (4372773048).

Almost surely, 2^38261764065 is an apocalyptic number.

38261764065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38261764065 is a deficient number, since it is larger than the sum of its proper divisors (31702604703).

38261764065 is a wasteful number, since it uses less digits than its factorization.

38261764065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364397768.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 38261764065 in words is "thirty-eight billion, two hundred sixty-one million, seven hundred sixty-four thousand, sixty-five".