39074235725389 has 4 divisors (see below), whose sum is σ = 39074312903356. Its totient is φ = 39074158547424.

The previous prime is 39074235725387. The next prime is 39074235725443. The reversal of 39074235725389 is 98352753247093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11945940564100 + 27128295161289 = 3456290^2 + 5208483^2 .

It is a cyclic number.

It is not a de Polignac number, because 39074235725389 - 2¹ = 39074235725387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39074235725387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37824504 + ... + 38843809.

It is an arithmetic number, because the mean of its divisors is an integer number (9768578225839).

Almost surely, 2^{39074235725389} is an apocalyptic number.

It is an amenable number.

39074235725389 is a deficient number, since it is larger than the sum of its proper divisors (77177967).

39074235725389 is an equidigital number, since it uses as much as digits as its factorization.

39074235725389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77177966.

The product of its (nonzero) digits is 342921600, while the sum is 67.

The spelling of 39074235725389 in words is "thirty-nine trillion, seventy-four billion, two hundred thirty-five million, seven hundred twenty-five thousand, three hundred eighty-nine".