38634756463 has 4 divisors (see below), whose sum is σ = 38989203880. Its totient is φ = 38280309048.

The previous prime is 38634756431. The next prime is 38634756473. The reversal of 38634756463 is 36465743683.

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

It is a cyclic number.

It is not a de Polignac number, because 38634756463 - 2⁵ = 38634756431 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 (38634756403) 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, 177223545 + ... + 177223762.

It is an arithmetic number, because the mean of its divisors is an integer number (9747300970).

Almost surely, 2^38634756463 is an apocalyptic number.

38634756463 is a deficient number, since it is larger than the sum of its proper divisors (354447417).

38634756463 is a wasteful number, since it uses less digits than its factorization.

38634756463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354447416.

The product of its digits is 26127360, while the sum is 55.

The spelling of 38634756463 in words is "thirty-eight billion, six hundred thirty-four million, seven hundred fifty-six thousand, four hundred sixty-three".