13477891846 has 4 divisors (see below), whose sum is σ = 20216837772. Its totient is φ = 6738945922.

The previous prime is 13477891811. The next prime is 13477891909. The reversal of 13477891846 is 64819877431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64819877431 = 2861 ⋅22656371.

It is a super-2 number, since 2×13477891846² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3369472960 + ... + 3369472963.

It is an arithmetic number, because the mean of its divisors is an integer number (5054209443).

Almost surely, 2^13477891846 is an apocalyptic number.

13477891846 is a deficient number, since it is larger than the sum of its proper divisors (6738945926).

13477891846 is an equidigital number, since it uses as much as digits as its factorization.

13477891846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738945925.

The product of its digits is 8128512, while the sum is 58.

The spelling of 13477891846 in words is "thirteen billion, four hundred seventy-seven million, eight hundred ninety-one thousand, eight hundred forty-six".