38261266253739 has 6 divisors (see below), whose sum is σ = 55266273477636. Its totient is φ = 25507510835820.

The previous prime is 38261266253729. The next prime is 38261266253803. The reversal of 38261266253739 is 93735266216283.

It is a happy number.

38261266253739 is a `hidden beast` number, since 3 + 8 + 2 + 6 + 1 + 2 + 6 + 62 + 537 + 39 = 666.

38261266253739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38261266253739 - 2⁴ = 38261266253723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38261266253729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2125625902977 + ... + 2125625902994.

It is an arithmetic number, because the mean of its divisors is an integer number (9211045579606).

Almost surely, 2^{38261266253739} is an apocalyptic number.

38261266253739 is a deficient number, since it is larger than the sum of its proper divisors (17005007223897).

38261266253739 is a wasteful number, since it uses less digits than its factorization.

38261266253739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251251805977 (or 4251251805974 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 63.

The spelling of 38261266253739 in words is "thirty-eight trillion, two hundred sixty-one billion, two hundred sixty-six million, two hundred fifty-three thousand, seven hundred thirty-nine".