38509745356 has 12 divisors (see below), whose sum is σ = 67401043920. Its totient is φ = 19252304240.

The previous prime is 38509745353. The next prime is 38509745359. The reversal of 38509745356 is 65354790583.

38509745356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38509745353) and next prime (38509745359).

It is a junction number, because it is equal to n+sod(n) for n = 38509745297 and 38509745306.

It is not an unprimeable number, because it can be changed into a prime (38509745353) 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, 608176 + ... + 668503.

It is an arithmetic number, because the mean of its divisors is an integer number (5616753660).

Almost surely, 2^38509745356 is an apocalyptic number.

It is an amenable number.

38509745356 is a deficient number, since it is larger than the sum of its proper divisors (28891298564).

38509745356 is a wasteful number, since it uses less digits than its factorization.

38509745356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284224 (or 1284222 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 38509745356 in words is "thirty-eight billion, five hundred nine million, seven hundred forty-five thousand, three hundred fifty-six".