46949887791 has 8 divisors (see below), whose sum is σ = 69555389360. Its totient is φ = 31299925176.

The previous prime is 46949887769. The next prime is 46949887793. The reversal of 46949887791 is 19778894964.

46949887791 is a `hidden beast` number, since 4 + 69 + 498 + 8 + 7 + 79 + 1 = 666.

It is not a de Polignac number, because 46949887791 - 2¹⁸ = 46949625647 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 (46949887793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869442340 + ... + 869442393.

It is an arithmetic number, because the mean of its divisors is an integer number (8694423670).

Almost surely, 2^46949887791 is an apocalyptic number.

46949887791 is a deficient number, since it is larger than the sum of its proper divisors (22605501569).

46949887791 is a wasteful number, since it uses less digits than its factorization.

46949887791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738884742 (or 1738884736 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 72.

The spelling of 46949887791 in words is "forty-six billion, nine hundred forty-nine million, eight hundred eighty-seven thousand, seven hundred ninety-one".