1361935556699 has 4 divisors (see below), whose sum is σ = 1361938412640. Its totient is φ = 1361932700760.

The previous prime is 1361935556671. The next prime is 1361935556717. The reversal of 1361935556699 is 9966555391631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361935556699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361935556629) 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, 520364 + ... + 1730505.

It is an arithmetic number, because the mean of its divisors is an integer number (340484603160).

Almost surely, 2^{1361935556699} is an apocalyptic number.

1361935556699 is a deficient number, since it is larger than the sum of its proper divisors (2855941).

1361935556699 is an equidigital number, since it uses as much as digits as its factorization.

1361935556699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855940.

The product of its digits is 177147000, while the sum is 68.

The spelling of 1361935556699 in words is "one trillion, three hundred sixty-one billion, nine hundred thirty-five million, five hundred fifty-six thousand, six hundred ninety-nine".