1313402046661 has 8 divisors (see below), whose sum is σ = 1323364512960. Its totient is φ = 1303445023968.

The previous prime is 1313402046647. The next prime is 1313402046683. The reversal of 1313402046661 is 1666402043131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313402046661 - 2¹⁷ = 1313401915589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313402046661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313402046601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875871 + ... + 1842268.

It is an arithmetic number, because the mean of its divisors is an integer number (165420564120).

Almost surely, 2^{1313402046661} is an apocalyptic number.

It is an amenable number.

1313402046661 is a deficient number, since it is larger than the sum of its proper divisors (9962466299).

1313402046661 is a wasteful number, since it uses less digits than its factorization.

1313402046661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721803.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 1313402046661 its reverse (1666402043131), we get a palindrome (2979804089792).

The spelling of 1313402046661 in words is "one trillion, three hundred thirteen billion, four hundred two million, forty-six thousand, six hundred sixty-one".