13445360776 has 8 divisors (see below), whose sum is σ = 25210051470. Its totient is φ = 6722680384.

The previous prime is 13445360771. The next prime is 13445360777. The reversal of 13445360776 is 67706354431.

It can be written as a sum of positive squares in only one way, i.e., 12359658276 + 1085702500 = 111174^2 + 32950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13445360771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840335041 + ... + 840335056.

Almost surely, 2^13445360776 is an apocalyptic number.

It is an amenable number.

13445360776 is a deficient number, since it is larger than the sum of its proper divisors (11764690694).

13445360776 is a wasteful number, since it uses less digits than its factorization.

13445360776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680670103 (or 1680670099 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 13445360776 in words is "thirteen billion, four hundred forty-five million, three hundred sixty thousand, seven hundred seventy-six".