48316921391 has 16 divisors (see below), whose sum is σ = 49348113408. Its totient is φ = 47299574400.

The previous prime is 48316921379. The next prime is 48316921421. The reversal of 48316921391 is 19312961384.

It is a cyclic number.

It is not a de Polignac number, because 48316921391 - 2¹⁰ = 48316920367 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 (48316921361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3370946 + ... + 3385248.

It is an arithmetic number, because the mean of its divisors is an integer number (3084257088).

Almost surely, 2^48316921391 is an apocalyptic number.

48316921391 is a deficient number, since it is larger than the sum of its proper divisors (1031192017).

48316921391 is a wasteful number, since it uses less digits than its factorization.

48316921391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782.

The product of its digits is 279936, while the sum is 47.

The spelling of 48316921391 in words is "forty-eight billion, three hundred sixteen million, nine hundred twenty-one thousand, three hundred ninety-one".