1365365201642 has 8 divisors (see below), whose sum is σ = 2205589941156. Its totient is φ = 630168554592.

The previous prime is 1365365201617. The next prime is 1365365201647. The reversal of 1365365201642 is 2461025635631.

It can be written as a sum of positive squares in 2 ways, for example, as 1257203805001 + 108161396641 = 1121251^2 + 328879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1365365201593 and 1365365201602.

It is not an unprimeable number, because it can be changed into a prime (1365365201647) 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, 26257023083 + ... + 26257023134.

Almost surely, 2^{1365365201642} is an apocalyptic number.

1365365201642 is a deficient number, since it is larger than the sum of its proper divisors (840224739514).

1365365201642 is a wasteful number, since it uses less digits than its factorization.

1365365201642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52514046232.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 1365365201642 in words is "one trillion, three hundred sixty-five billion, three hundred sixty-five million, two hundred one thousand, six hundred forty-two".