13430236820365 has 8 divisors (see below), whose sum is σ = 16116304768920. Its totient is φ = 10744175733312.

The previous prime is 13430236820317. The next prime is 13430236820411. The reversal of 13430236820365 is 56302863203431.

It can be written as a sum of positive squares in 4 ways, for example, as 9206139042244 + 4224097778121 = 3034162^2 + 2055261^2 .

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 13430236820365 - 2⁴³ = 4634143798157 is a prime.

It is a super-2 number, since 2×13430236820365² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933891 + ... + 7155679.

It is an arithmetic number, because the mean of its divisors is an integer number (2014538096115).

Almost surely, 2^{13430236820365} is an apocalyptic number.

It is an amenable number.

13430236820365 is a deficient number, since it is larger than the sum of its proper divisors (2686067948555).

13430236820365 is a wasteful number, since it uses less digits than its factorization.

13430236820365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430751.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 13430236820365 in words is "thirteen trillion, four hundred thirty billion, two hundred thirty-six million, eight hundred twenty thousand, three hundred sixty-five".