1305616364413 has 4 divisors (see below), whose sum is σ = 1306090619388. Its totient is φ = 1305142109440.

The previous prime is 1305616364389. The next prime is 1305616364449. The reversal of 1305616364413 is 3144636165031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1264180912164 + 41435452249 = 1124358^2 + 203557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1305616364413 - 2¹³ = 1305616356221 is a prime.

It is a super-2 number, since 2×1305616364413² (a number of 25 digits) contains 22 as substring.

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 1305616364413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305616364483) 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, 237123358 + ... + 237128863.

It is an arithmetic number, because the mean of its divisors is an integer number (326522654847).

Almost surely, 2^{1305616364413} is an apocalyptic number.

It is an amenable number.

1305616364413 is a deficient number, since it is larger than the sum of its proper divisors (474254975).

1305616364413 is an equidigital number, since it uses as much as digits as its factorization.

1305616364413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474254974.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 1305616364413 in words is "one trillion, three hundred five billion, six hundred sixteen million, three hundred sixty-four thousand, four hundred thirteen".