38765016391265 has 16 divisors (see below), whose sum is σ = 47653010490960. Its totient is φ = 30255365422080.

The previous prime is 38765016391259. The next prime is 38765016391301. The reversal of 38765016391265 is 56219361056783.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4232927678464 + 34532088712801 = 2057408^2 + 5876401^2 .

It is not a de Polignac number, because 38765016391265 - 2⁸ = 38765016391009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38765016391198 and 38765016391207.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25466981 + ... + 26946189.

It is an arithmetic number, because the mean of its divisors is an integer number (2978313155685).

Almost surely, 2^{38765016391265} is an apocalyptic number.

It is an amenable number.

38765016391265 is a deficient number, since it is larger than the sum of its proper divisors (8887994099695).

38765016391265 is a wasteful number, since it uses less digits than its factorization.

38765016391265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607092.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 38765016391265 in words is "thirty-eight trillion, seven hundred sixty-five billion, sixteen million, three hundred ninety-one thousand, two hundred sixty-five".