49038987017663 has 4 divisors (see below), whose sum is σ = 49041113899680. Its totient is φ = 49036860135648.

The previous prime is 49038987017569. The next prime is 49038987017707. The reversal of 49038987017663 is 36671078983094.

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 49038987017663 - 2⁸ = 49038987017407 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 (49038987019663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063406423 + ... + 1063452536.

It is an arithmetic number, because the mean of its divisors is an integer number (12260278474920).

Almost surely, 2^{49038987017663} is an apocalyptic number.

49038987017663 is a deficient number, since it is larger than the sum of its proper divisors (2126882017).

49038987017663 is a wasteful number, since it uses less digits than its factorization.

49038987017663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126882016.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 49038987017663 in words is "forty-nine trillion, thirty-eight billion, nine hundred eighty-seven million, seventeen thousand, six hundred sixty-three".