13814779426 has 48 divisors (see below), whose sum is σ = 26192712960. Its totient is φ = 5428049760.

The previous prime is 13814779421. The next prime is 13814779427. The reversal of 13814779426 is 62497741831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13814779421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61945 + ... + 177388.

It is an arithmetic number, because the mean of its divisors is an integer number (545681520).

Almost surely, 2^13814779426 is an apocalyptic number.

13814779426 is a deficient number, since it is larger than the sum of its proper divisors (12377933534).

13814779426 is a wasteful number, since it uses less digits than its factorization.

13814779426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239399 (or 239392 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The spelling of 13814779426 in words is "thirteen billion, eight hundred fourteen million, seven hundred seventy-nine thousand, four hundred twenty-six".