13449673946 has 8 divisors (see below), whose sum is σ = 20176421760. Its totient is φ = 6724200028.

The previous prime is 13449673943. The next prime is 13449673961. The reversal of 13449673946 is 64937694431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13449673946² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13449673891 and 13449673900.

It is not an unprimeable number, because it can be changed into a prime (13449673943) 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, 291626 + ... + 334581.

It is an arithmetic number, because the mean of its divisors is an integer number (2522052720).

Almost surely, 2^13449673946 is an apocalyptic number.

13449673946 is a deficient number, since it is larger than the sum of its proper divisors (6726747814).

13449673946 is a wasteful number, since it uses less digits than its factorization.

13449673946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636948.

The product of its digits is 11757312, while the sum is 56.

The spelling of 13449673946 in words is "thirteen billion, four hundred forty-nine million, six hundred seventy-three thousand, nine hundred forty-six".