1366903527849 has 32 divisors (see below), whose sum is σ = 2049646448640. Its totient is φ = 900199346256.

The previous prime is 1366903527827. The next prime is 1366903527877. The reversal of 1366903527849 is 9487253096631.

1366903527849 is a `hidden beast` number, since 1 + 3 + 6 + 69 + 0 + 3 + 527 + 8 + 49 = 666.

It is not a de Polignac number, because 1366903527849 - 2⁵ = 1366903527817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1366903527889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27958944 + ... + 28007790.

It is an arithmetic number, because the mean of its divisors is an integer number (64051451520).

It is a 1-persistent number, because it is pandigital, but 2⋅1366903527849 = 2733807055698 is not.

Almost surely, 2^{1366903527849} is an apocalyptic number.

It is an amenable number.

1366903527849 is a deficient number, since it is larger than the sum of its proper divisors (682742920791).

1366903527849 is a wasteful number, since it uses less digits than its factorization.

1366903527849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61426 (or 61420 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 1366903527849 in words is "one trillion, three hundred sixty-six billion, nine hundred three million, five hundred twenty-seven thousand, eight hundred forty-nine".