13680771546 has 32 divisors (see below), whose sum is σ = 29741681088. Its totient is φ = 4170124800.

The previous prime is 13680771527. The next prime is 13680771551. The reversal of 13680771546 is 64517708631.

It is a junction number, because it is equal to n+sod(n) for n = 13680771495 and 13680771504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811255 + ... + 827946.

It is an arithmetic number, because the mean of its divisors is an integer number (929427534).

Almost surely, 2^13680771546 is an apocalyptic number.

13680771546 is an abundant number, since it is smaller than the sum of its proper divisors (16060909542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13680771546 is a wasteful number, since it uses less digits than its factorization.

13680771546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639326.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 13680771546 in words is "thirteen billion, six hundred eighty million, seven hundred seventy-one thousand, five hundred forty-six".