38365404109539 has 32 divisors (see below), whose sum is σ = 55302554926080. Its totient is φ = 23517877930368.

The previous prime is 38365404109531. The next prime is 38365404109633. The reversal of 38365404109539 is 93590140456383.

It is not a de Polignac number, because 38365404109539 - 2³ = 38365404109531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38365404109531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137951077 + ... + 138228905.

It is an arithmetic number, because the mean of its divisors is an integer number (1728204841440).

Almost surely, 2^{38365404109539} is an apocalyptic number.

38365404109539 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

38365404109539 is a deficient number, since it is larger than the sum of its proper divisors (16937150816541).

38365404109539 is a wasteful number, since it uses less digits than its factorization.

38365404109539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291571.

The product of its (nonzero) digits is 41990400, while the sum is 60.

The spelling of 38365404109539 in words is "thirty-eight trillion, three hundred sixty-five billion, four hundred four million, one hundred nine thousand, five hundred thirty-nine".