38638405736962 has 8 divisors (see below), whose sum is σ = 58188515413392. Its totient is φ = 19242233932500.

The previous prime is 38638405736809. The next prime is 38638405736963. The reversal of 38638405736962 is 26963750483683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 38638405736891 and 38638405736900.

It is not an unprimeable number, because it can be changed into a prime (38638405736963) 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, 38484467364 + ... + 38484468367.

It is an arithmetic number, because the mean of its divisors is an integer number (7273564426674).

Almost surely, 2^{38638405736962} is an apocalyptic number.

38638405736962 is a deficient number, since it is larger than the sum of its proper divisors (19550109676430).

38638405736962 is a wasteful number, since it uses less digits than its factorization.

38638405736962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76968935984.

The product of its (nonzero) digits is 940584960, while the sum is 70.

The spelling of 38638405736962 in words is "thirty-eight trillion, six hundred thirty-eight billion, four hundred five million, seven hundred thirty-six thousand, nine hundred sixty-two".