1313403654263 has 8 divisors (see below), whose sum is σ = 1317414647808. Its totient is φ = 1309395691384.

The previous prime is 1313403654253. The next prime is 1313403654271. The reversal of 1313403654263 is 3624563043131.

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 1313403654263 - 2¹⁴ = 1313403637879 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 1313403654263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313403654253) 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, 111920 + ... + 1624602.

It is an arithmetic number, because the mean of its divisors is an integer number (164676830976).

Almost surely, 2^{1313403654263} is an apocalyptic number.

1313403654263 is a deficient number, since it is larger than the sum of its proper divisors (4010993545).

1313403654263 is a wasteful number, since it uses less digits than its factorization.

1313403654263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515333.

The product of its (nonzero) digits is 466560, while the sum is 41.

Adding to 1313403654263 its reverse (3624563043131), we get a palindrome (4937966697394).

The spelling of 1313403654263 in words is "one trillion, three hundred thirteen billion, four hundred three million, six hundred fifty-four thousand, two hundred sixty-three".