13437674765 has 8 divisors (see below), whose sum is σ = 16518507768. Its totient is φ = 10487941120.

The previous prime is 13437674753. The next prime is 13437674773. The reversal of 13437674765 is 56747673431.

It can be written as a sum of positive squares in 4 ways, for example, as 2036987689 + 11400687076 = 45133^2 + 106774^2 .

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

It is not a de Polignac number, because 13437674765 - 2¹² = 13437670669 is a prime.

It is a super-2 number, since 2×13437674765² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 32774612 + ... + 32775021.

It is an arithmetic number, because the mean of its divisors is an integer number (2064813471).

Almost surely, 2^13437674765 is an apocalyptic number.

It is an amenable number.

13437674765 is a deficient number, since it is larger than the sum of its proper divisors (3080833003).

13437674765 is an equidigital number, since it uses as much as digits as its factorization.

13437674765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65549679.

The product of its digits is 8890560, while the sum is 53.

The spelling of 13437674765 in words is "thirteen billion, four hundred thirty-seven million, six hundred seventy-four thousand, seven hundred sixty-five".